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Study on Control Scheme for Nonpoint Source Pollution in Dahe Reservoir Water Source Protection Area of Dianchi Lake Basin 被引量:1
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作者 LI Qi-yang WANG Chong-yun +4 位作者 PENG Ming-chun ZHOU Rui LUO Ting DONG Lei YANG Sha 《Meteorological and Environmental Research》 2012年第8期43-48,57,共7页
[ Objective] The research aimed to study control scheme for nonpoint source pollution in Dahe Reservoir water source protection area of Dianchi Lake basin.[ Method] On the basis of the SPOT5 satellite remote sensing i... [ Objective] The research aimed to study control scheme for nonpoint source pollution in Dahe Reservoir water source protection area of Dianchi Lake basin.[ Method] On the basis of the SPOT5 satellite remote sensing imagery in 2010 and field investigation of GPS record, ecological design for nonpoint source pollution control in Dahe Reservoir water source protection area of Dianchi Lake basin was conducted. Then, the effects of optimization measures were evaluated by the reductions of N and P outputs on different land-use types. E Resultl Control functions of the water source protection area on soil erosion and the emissions of N, P and other pollutants would be promoted after optimization. The optimization meas- ures had a significant effect for prevention and control of the non-point source pollution in the water source protection area. [ Conclusion] The re- search provided scientific basis for promoting ecological construction of the small green basin in Dahe Reservoir water source protection area of Di- anchi Lake basin. 展开更多
关键词 Dianchi Lake basin Water source protection area Nonpoint source pollution Ecological design China
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Investigation on Sinipercine Fishes in the National Aquatic Germplasm Resources Protection Area in Jinjiang River of China
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作者 Yu Zhen Ran Hui +1 位作者 Fan Junde Mei Jie 《Animal Husbandry and Feed Science》 CAS 2014年第4期212-215,共4页
[Objective]The paper was to provide a scientific basis for protection and utilization of sinipercine fish resources in Jinjiang River,the national resources protection area. [Method]A total of 171 specimens of siniper... [Objective]The paper was to provide a scientific basis for protection and utilization of sinipercine fish resources in Jinjiang River,the national resources protection area. [Method]A total of 171 specimens of sinipercine were collected from Jinjiang River and its branches,identified and statistically counted.[Result]There were three species of wild sinipercine,including Siniperca scherzeri,Coreoperca whiteheadi and Siniperca kneri,with occurrence frequencies of100%,66. 7% and 50%,respectively. They were common species in the river,and S. scherzeri was dominant. The total allowable catch(TAC) of the three species was not big,and the individuals captured were generally small,and with rare mature individuals. [Conclusion]The resources of sinipercine had a preliminary recovery in the region after the foundation of the national resources protection area for aquatic resources in Jinjiang River in 2009. 展开更多
关键词 National Aquatic Germplasm Resources protection area in Jinjiang River Sinipercine resources Tongren GUIZHOU
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Lesser Kestrel Foraging Habitats in Special Protection Areas in Agro-ecosystems
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作者 Antonia Galanaki Theodoros Kominos Martin John Jones 《Journal of Agricultural Science and Technology(A)》 2017年第7期479-492,共14页
The European Union (EU) Wild Birds Directive recognises that the most serious threats to wild birds' conservation in Europe are habitat loss and degradation, and hence, habitats of threatened and migratory species ... The European Union (EU) Wild Birds Directive recognises that the most serious threats to wild birds' conservation in Europe are habitat loss and degradation, and hence, habitats of threatened and migratory species must be protected with the establishment of the network of the special protection areas (SPAs) for migratory and endangered bird species in the EU member states. The major European population of the lesser kestrel Falco naumanni, a migratory falcon listed in Annex I of the Birds Directive, occurs in low-input farming systems in the Mediterranean basin, including Greece. The aim of this study was to identify foraging habitats of lesser kestrels and relate them to the delimited SPAs in the agro-ecosystems of Greece, where the stronghold of the species population for Greece occurs. Foraging habitat preferences were assessed using Poisson regression models (PRMs). SPAs were examined on whether they can effectively protect foraging habitats for breeding lesser kestrels in the study area. Foraging lesser kestrel abundance was positively associated with grasslands and non-irrigated land (dry cereals), and negatively associated with irrigated land (wet cotton), scrubland and woodland. Electricity facilities were used as foraging perches by lesser kestrels. The current SPAs cover a small percentage of the species' foraging sites and cannot be considered coherent enough to support and protect the foraging habitats of lesser kestrels and other priority species in the agro-ecosystems of the study area. Proposals for effective conservation of low-input farming systems, supporting priority species, are also presented. 展开更多
关键词 Falco naumanni special protection areas (SPAs) Poisson regression models (PRMs) foraging habitats species conservation AGRO-ECOSYSTEMS Greece.
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Non-native species in marine protected areas: Global distribution patterns
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作者 Tianjian Song Yuxin Huang +3 位作者 Lei Fang Yonghua Li Junsheng Li Jiang Chang 《Environmental Science and Ecotechnology》 SCIE 2024年第6期198-205,共8页
Marine protected areas(MPAs)across various countries have contributed to safeguarding coastal and marine environments.Despite these efforts,marine non-native species(NNS)continue to threaten biodiversity and ecosystem... Marine protected areas(MPAs)across various countries have contributed to safeguarding coastal and marine environments.Despite these efforts,marine non-native species(NNS)continue to threaten biodiversity and ecosystems,even within MPAs.Currently,there is a lack of comprehensive studies on the inventories,distribution patterns,and effect factors of NNS within MPAs.Here we show a database containing over 15,000 occurrence records of 2714 marine NNS across 16,401 national or regional MPAs worldwide.To identify the primary mechanisms driving the occurrence of NNS,we utilize model selection with proxies representing colonization pressure,environmental variables,and MPA characteristics.Among the environmental predictors analyzed,sea surface temperature emerged as the sole factor strongly associated with NNS richness.Higher sea surface temperatures are linked to increased NNS richness,aligning with global marine biodiversity trends.Furthermore,human activities help species overcome geographical barriers and migration constraints.Consequently,this influences the distribution patterns of marine introduced species and associated environmental factors.As global climate change continues to alter sea temperatures,it is crucial to protect marine regions that are increasingly vulnerable to intense human activities and biological invasions. 展开更多
关键词 Distribution patterns Effect factors Marine protected areas Non-native species
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Building national eco-cultural protection areas and the Xiangxi practice in Hunan Province
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作者 LIU Chunla WU Liping +2 位作者 XU Mei ZENG Fanchao JIAO Lipeng 《Journal of Geographical Sciences》 SCIE CSCD 2020年第12期2076-2092,共17页
Since 2007,the Chinese government has initiated the building of national eco-cultural protection areas(NECPAs),thereby embarking on a significant transformation of the model of intangible cultural heritage(IC H)protec... Since 2007,the Chinese government has initiated the building of national eco-cultural protection areas(NECPAs),thereby embarking on a significant transformation of the model of intangible cultural heritage(IC H)protection in China.To understand the origin and outputs of this policy,this paper demonstrates the context of China's NECPAs.It proposes a conceptual NECPA framework that mainly features regional overall ICH protection.This is followed by an examination of the case of Xiangxi in Western Hunan as a pilot zone for China’s eco-cultural protection.Xiangxi has performed much related work to promote NECPAs and made great progress in regional overall ICH protection.This insight suggests that there are benefits and costs associated with promotion of China's NECPAs and regional overall ICH protection.Despite the advantages of institutional innovation,the unexpected side effects actually undermine the success of plan implementation. 展开更多
关键词 national eco-cultural protection area intangible cultural heritage regional overall protection Xiangxi China
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Communication Service Model for Wide Area Protection System Based on IEC 61850
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作者 丛伟 潘贞存 +2 位作者 高湛军 曾煜晓 翟运娟 《Transactions of Tianjin University》 EI CAS 2008年第3期226-230,共5页
In order to meet the requirements of information exchange varieties and manners in wide area protection system, a communication service model based on IEC 61850 is proposed. This service model can realize communicatio... In order to meet the requirements of information exchange varieties and manners in wide area protection system, a communication service model based on IEC 61850 is proposed. This service model can realize communication consistency and cooperation between different types of devices. Furthermore, the communication reliability and time delay performance are guaranteed to meet the requirements of relay protection from the upper layer. Message structure of generic sub-station event (GSE) and its communication mechanism are discussed. General methods to communicate digital information by generic substation status event (GSSE) and communicate analog sampling information by sampling analog value (SAV) of GSE are proposed. 展开更多
关键词 wide area protection IEC 61850 COMMUNICATION service model
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Ecological and habitat ranges of orchids in the northernmost regions of their distribution areas:A case study from Ural Mountains,Russia
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作者 Irina A.Kirillova Yuriy A.Dubrovskiy +1 位作者 Svetlana V.Degteva Alexander B.Novakovskiy 《Plant Diversity》 SCIE CAS CSCD 2023年第2期211-218,共8页
The Orchidaceae,which is one of the most interesting families of angiosperms,contains a large number of rare species.Despite their acknowledged importance,little attention has been paid to the study of orchids distrib... The Orchidaceae,which is one of the most interesting families of angiosperms,contains a large number of rare species.Despite their acknowledged importance,little attention has been paid to the study of orchids distributed in northern territories.In this study,we determined the syntaxonomical diversity and ecological parameters of orchid habitats in two of Europe's largest protected areas,the Pechoro-Ilychsky Reserve and the Yugyd Va National Park(northeastern European Russia),and then compared our findings to those in other parts of orchid distribution ranges.For this purpose,we studied 345 descriptions of plant communities(releves) containing species from Orchidaceae and defined habitat parameters using Ellenberg indicator values with the community weight mean approach,nonmetric multidimensional scaling(NMS),and relative niche width.We found that orchids were distributed in eight habitat types and 97 plant associations.The largest number of orchid species is found in forest communities.Half of the orchid species under study occur in the mires and rock habitats with open vegetation.Several orchids consistently occur in areas disturbed by human activity.In addition,our study indicates that the main drivers of orchid distribution across the vegetation types are light and soil nitrogen.Our analysis of the ecological parameters of orchid habitats indicates that some orchid species can be classified as habitat specialists that are confined to a relatively narrow ecological niche in the Urals(e.g.,Goodyera repens,Cypripedium guttatum and Dactylorhiza maculata).Several other species(e.g.Neottia cordata and Dactylorhiza fuchsia) grow under diverse ecological parameters. 展开更多
关键词 ORCHIDACEAE Plant communities Nature protected areas Community weight mean Illumination Moisture
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Utilizing Artificial Intelligence (AI) for the Identification and Management of Marine Protected Areas (MPAs): A Review
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作者 Şeyma Merve Kaymaz Mühling 《Journal of Geoscience and Environment Protection》 2023年第9期118-132,共15页
The article discusses the application of artificial intelligence (AI) and automation in marine conservation, specifically in relation to the protection of marine ecosystems and the definition of marine protected areas... The article discusses the application of artificial intelligence (AI) and automation in marine conservation, specifically in relation to the protection of marine ecosystems and the definition of marine protected areas (MPAs). It highlights the threats that marine ecosystems face due to human activities and emphasizes the importance of effective management and conservation efforts. By improving data gathering, processing, monitoring, and analysis, artificial intelligence, and automation, they can revolutionize marine research. In conclusion, this study emphasizes the importance of AI and automation in marine conservation responsibly and ethically. In order to integrate these technologies into decision-making processes, stakeholders and marine conservation professionals must collaborate. Through the use of artificial intelligence and automation, marine conservation efforts can be transformed by establishing new methods of collecting and analyzing data, making informed decisions, and managing marine ecosystems. 展开更多
关键词 Marine Protected areas Artificial Intelligence AUTOMATION Decision-Making Tools
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Legislation on protection of drinking water sources and local management practices in the Pearl River Delta region of China 被引量:6
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作者 Zhigang Wang Yang Liu +2 位作者 Yingzhi Li Peng Zhao Jiangyu Yu 《Chinese Journal of Population,Resources and Environment》 2016年第2期144-152,共9页
The protection of drinking water sources is vital to urban development and public health.In this study,the current situation of the mandatory protection area for drinking water source in the Pearl River Delta region w... The protection of drinking water sources is vital to urban development and public health.In this study,the current situation of the mandatory protection area for drinking water source in the Pearl River Delta region was investigated using a method combining Google Earth with the field survey.The gaps between management practices and legislation requirements were analyzed.Finally,several countermeasures for water resource protection were proposed as follows:to promote delineation in a more scientific way,to safeguard the sanctity of the law,to make better plan on water saving,and to encourage public participation in supervision and management. 展开更多
关键词 Pearl River Delta region drinking water source protection area for drinking water source COUNTERMEASURES
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Designated critical habitats for U.S.imperiled species are not protected from climate and land-use change
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作者 Aimee Delach Laura A.Nunes +1 位作者 Alex Borowicz Theodore C.Weber 《Geography and Sustainability》 CSCD 2024年第3期482-490,共9页
Designation of critical habitat is an important conservation tool for species listed as threatened or endangered under the United States(U.S.)Endangered Species Act(ESA).While this is an important protective mechanism... Designation of critical habitat is an important conservation tool for species listed as threatened or endangered under the United States(U.S.)Endangered Species Act(ESA).While this is an important protective mechanism,lands designated as critical habitat could still be subject to degradation and fragmentation if they are not also in a protected status that prioritizes biodiversity conservation.Additionally,most designations of critical habitat do not explicitly take climate change into account.The objective of our study was to determine whether and to what extent critical habitats for species listed under the ESA are located within protected areas and areas previously identified as climate refugia or climate corridors,to inform management strategies to better conserve and recover these species.We mapped the designated critical habitats of 153 ESA-listed species and measured their overlap with previously-identified areas of climate refugia and corridors(CRC),and also with lands designated as nature-protected by U.S.Geological Survey’s Gap Analysis Project(GAP Status 1 or 2)and working lands with wildlife habitat potential(GAP Status 3).Only 18%of all designated critical habitat is located on lands that are both in CRC and nature-protected,and only 9%of species had over half of their designated critical habitats in such lands.84%of species had<25%overlap of their critical habitats with these areas.Critical habitats may therefore not fulfill their essential role of helping imperiled species persist and recover. 展开更多
关键词 Endangered Species Act Critical habitat Climate refugia Climate corridors Protected areas Biodiversity conservation
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Different people,different wild:Comparing and mapping wilderness representation in Wuyishan National Park,China
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作者 Aifang Weng Lingyun Liao +7 位作者 Yue Cao Steve Carver Li Lin Siyuan Shen Zhengduo Xu Jianwen Dong Siren Lan Rui Yang 《Geography and Sustainability》 CSCD 2024年第1期144-156,共13页
It is essential to better integrate wilderness representations of different stakeholders into wilderness conservation.The way in which local residents and other stakeholders frame the construction of wilderness of pro... It is essential to better integrate wilderness representations of different stakeholders into wilderness conservation.The way in which local residents and other stakeholders frame the construction of wilderness of protected areas in developing countries are poorly understood.In these areas,land use policy and decision may lead to conflicts.This study aims to explore existing public wilderness representations using a questionnaire survey(n=514)administered amongst tourists and other stakeholders in the Wuyishan National Park,in southeast China.The spatial differences in public representations of wilderness across different stakeholder groups were compared against expert knowledge.We found that integrated wilderness representation maps of different stakeholder groups were consistent,namely'area where wild animals live','area with no human influence','a barren and lonely area'.However,three sub-representations of the individual stakeholders varied significantly.Moreover,expert-based wilderness mapping did not reflect public representations accurately,and an integrated wilder-ness quality map considering wilderness representations across both stakeholders and experts can better identify detailed wilderness areas.Our study provides new insights and technical support for future exploration of wilder-ness conservation and mapping in China and other countries with insufficient awareness of wilderness values and investigations in a regional scale. 展开更多
关键词 Wilderness mapping Public participation Environment perception Protected areas
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Research Progress of the Planning Methods of Prior Conservation Areas
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作者 汤燕 陶国庆 谷勋刚 《Agricultural Science & Technology》 CAS 2016年第2期398-404,共7页
The planning of prior conservation areas is an important part of nature re- serve system, :it is of great significance for biodiversity conservation. The methods of priority planning include hot-spots analysis, gap a... The planning of prior conservation areas is an important part of nature re- serve system, :it is of great significance for biodiversity conservation. The methods of priority planning include hot-spots analysis, gap analysis, systematic conservation planning analysis and multi-criteria decision analysis. The key issues of priority area planning include the determination of the protect objects, the analyses of the protec- tion value and protection cost, the win-win development of protection and economy, and the changes of the management strategies of the protected areas. In this study, the features and research progress of different conservation methods were analyzed, and based on the discussion on the key issues of the planning of the protected areas, the application prospect of different methods was analyzed. 展开更多
关键词 The planning of the protected areas Prior conservation areas System- atic conservation planning Multi-criteria decision analysis: protection value
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Assessing Human-Wildlife Conflict in the Periphery of Loango National Park in Gabon
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作者 Mbani Cynthia Axelle Eugénie N’Safou Abubakar Ali Shidiki Ngankam Martin Tchamba 《Open Journal of Forestry》 2024年第3期297-312,共16页
Human-Wildlife Conflict in Gabon is a reality occurring in almost all protected areas in the country. These conflicts create real threats both for the survival of wildlife species and of human beings. This study was c... Human-Wildlife Conflict in Gabon is a reality occurring in almost all protected areas in the country. These conflicts create real threats both for the survival of wildlife species and of human beings. This study was carried out at the periphery of Loango National Park in Gabon. This area is particular of seeing elephants wandering around villages. Respondents for the study were drawn from a wide range of stakeholders (State administrators, farmers and NGOs). Data was collected through administration of structured questionnaires and interview guide on the;socio-economic activities. Crops produced/destroyed. Animals are involved and economic loss is incurred due to conflicts. Data was analysed using SPSS version 16 and Kobo tool box. For qualitative data chi-square, descriptive statistic and linear regression model were also used. The results of the study showed that the elephants account for (60.1%) of crop destroyed followed by Ungulates (30.4%) and lastly by rodents (0.9%). The economic damage caused by the wildlife to crops valued at 72,084 USD in the zone in 2022. An urgent solution to this conflict is needed because the consequences are visible as well as the illegal repression by communities that have led to poisoning and killing of wildlife in the study area. 展开更多
关键词 Human-Wildlife Conflict Protected areas Crop Damage Crop Losses Loango National Park
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A journey towards shared governance: status and prospects for collaborative management in the protected areas of Bangladesh 被引量:4
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作者 A. Z. M. Manzoor Rashid Donna Craig +1 位作者 Sharif Ahmed Mukul Niaz Ahmed Khan 《Journal of Forestry Research》 SCIE CAS CSCD 2013年第3期599-605,602-605,共7页
Establishment of Protected Areas (PAs), in the face of rapid deforestation, forest degradation and climate change has been one of the key efforts in conservation of biodiversity worldwide in recent times. While Bang... Establishment of Protected Areas (PAs), in the face of rapid deforestation, forest degradation and climate change has been one of the key efforts in conservation of biodiversity worldwide in recent times. While Bangladesh has gained a degree of prominence in the world for its successful social forestry programs, the concept of collaborative pro- tected area management is rather new in the country, initiated in 2004 by the Bangladesh Forest Department in five PAs with financial assistance from USAID. Based on empirical evidence from three of the pilot PAs, we examined the achievements and associated challenges and prospects for co-management. Our fieldwork revealed a number of challenges faced by co-management institutions: (1) institutions were dominated by the elite group, overshadowing the voice of the community people; (2) mutual trust and collective performance are key to good governance but had not taken root in the PAs; (3) encroachment onto forest land and subsequent conversion to agriculture remained a serious problem that discouraged forest-dependent people from participating actively in co-management initiatives; (4) legal provisions (including acts, rules and policies) were not clearly and adequately disseminated and understood at the community level; (5) there remained a degree of ambiguity regarding the roles and responsibilities of forest department (FD) and co-management committees (CMC) in field operations, and this was not enhancing transparency and accountability of the overall initiative; (6) the long-term sustainability of co-management institutions was another major concern, as the local intuitional structure was still in a nascent stage, and provisioning of resources (either internally or externally) remained somewhat uncertain. We offer recommendations for improve- ment. 展开更多
关键词 protected area CO-MANAGEMENT Nishorgo IPAC govern-ance
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Recreational potential as an indicator of accessibility control in protected mountain forest areas 被引量:4
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作者 Tomasz DUDEK 《Journal of Mountain Science》 SCIE CSCD 2017年第7期1419-1427,共9页
The article presents research findings related to recreational use of forests located in protected mountainous areas with forestage of over 80%. The study was designed to identify recreational potential of the Carpath... The article presents research findings related to recreational use of forests located in protected mountainous areas with forestage of over 80%. The study was designed to identify recreational potential of the Carpathian national parks (Bieszczady National Park, Bahia G6ra National Park, Goree National Park and Magura National Park; southern Poland) and to compare these findings with the actual number of visitors. The information received on the recreational potential of parks is important from the point of view of protection of natural resources and the financial situation of the parks. The calculated ratio may be an effective tool of management for park administration, that allows to reconcile statutory social and protective functions of national parks. The study determined the recreational potential of the forests with the use of recreational valorisation method designed for areas with varied terrain, and the evaluated factors included the stands of trees with their habitat and land relief. The permissible number of national park visitors, expressed as man- hour/ha/year ranges from 19.31 in Bieszczady National Park (BG: 19~ 35' E, 49~ 35' N) to 32.06 in in Bieszczady National Park (B: 22~ 40' E, 49~ lo' N). In 3 out of 4 investigated parks, Magura National Park (M: 21025' E, 49~ 30' N), Gorce National Park (G: 20~ lo' E, 49~ 35' N), B) recreation carrying capacity was not exceeded, whether or not the strictly protected area is taken into account. Only in BG was the recreation carrying capacity exceeded by nearly 24%, or by 85% if the strictly protected area isexcluded from tourism-related exploitation. The presented procedure for monitoring access to mountain forests in national parks, from the viewpoint of natural resources conservation, can be applied in other mountainous areas covered with forests and exposed to tourist and recreational traffic, and in forests facing particular risk of recreational damage, e.g. in urban and suburban forests growing in areas with varied orography. 展开更多
关键词 Forest recreation Recreational capacity Protected areas Mountain forests the Carpathians
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Evaluation of Ecological Effectiveness of Protected Areas in Northwest China 被引量:3
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作者 YE Xin LIU Guohua +3 位作者 LI Zongshan GONG Li WANG Meng WANG Hao 《Chinese Geographical Science》 SCIE CSCD 2017年第2期259-272,共14页
Protected areas(PAs) have experienced explosive growth in Northwest China over the last three decades, but their effectiveness in representing regional ecological system diversity has not attracted considerable attent... Protected areas(PAs) have experienced explosive growth in Northwest China over the last three decades, but their effectiveness in representing regional ecological system diversity has not attracted considerable attention. Low effectiveness would exacerbate the conservation-development conflicts, particularly those that arise as a result of the Great Western Development Strategy(GWDS). Thus, an assessment of the effectiveness of the PA network has become quite important. We proposed natural vegetation communities to represent regional ecological system diversities, and proposed Global 200 Priority Ecoregions, Important Bird Areas, and ecosystem function regions to represent important conservation areas. To determine their effectiveness, we studied the extent to which ecological system diversities and important conservation areas are represented by the existing 96 PAs. Our results indicated that the total coverage of vegetation communities in PAs in Northwest China is not sufficiently comprehensive. As the PA system has expanded, the growth in the total area of the PAs has been greater than that of their vegetation community richness. While most of the important conservation areas are covered by PAs, some regions have not yet reached the 10% threshold; further, PAs are distributed unevenly and conservation gaps remain in the region. Therefore, these regions should receive more attention when planning new PAs. It is vital that more biodiversity datasets and assessment of ecosystem function regions are integrated in order to provide a basis for the government to formulate appropriate protection and development strategies. 展开更多
关键词 conservation strategies BIODIVERSITY ecosystem functions protected area effectiveness ecological system representation
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Landscape planning and ecology construction of wetland comprehensive protected area system in the Sanjiang Plain 被引量:3
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作者 LIU Hong\|yu, LU Xian\|guo, LIU Zhen\|qian (Changchun Institute of Geography, Chinese Academy of Sciences, Changchun 130021, China) 《Journal of Environmental Sciences》 SCIE EI CAS CSCD 2000年第3期361-366,共6页
Wetland is one of the richest biodiversity areas in the earth. The main purpose of establishing wetland protected area is to protect biodiversity, and the protection of ecosystem diversity and landscape diversity is t... Wetland is one of the richest biodiversity areas in the earth. The main purpose of establishing wetland protected area is to protect biodiversity, and the protection of ecosystem diversity and landscape diversity is the key to protect biodiversity. In order to protect regional ecosystem and landscape, it is a good way to establish wetland comprehensive protected area which connected wetland nature reserves by habitat corridors. The Sanjiang Plain as a study area, its landscape evaluation index system on wetland protected area was studied, and some problems on landscape planning and ecology construction were further approached in this paper.It showed that establishing wetland comprehensive protected area is very important to protect regional wetlands, to maintain ecological balance, and to improve the sustainable development of agriculture and industry in this region. 展开更多
关键词 landscape planning ecology construction wetland protected area
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Satellite monitoring of land-use and land-cover changes in northern Togo protected areas 被引量:2
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作者 Fousseni Folega Chun-yu Zhang +5 位作者 Xiu-hai Zhao Kperkouma Wala Komlan Batawila Hua-guo Huang Marra Dourma Koffi Akpagana 《Journal of Forestry Research》 SCIE CAS CSCD 2014年第2期385-392,共8页
Remote-sensing data for protected areas in northern Togo, obtained in three different years (2007, 2000, and 1987), were used to assess and map changes in land cover and land use for this drought prone zone. The nor... Remote-sensing data for protected areas in northern Togo, obtained in three different years (2007, 2000, and 1987), were used to assess and map changes in land cover and land use for this drought prone zone. The normalized difference vegetation index (NDVI) was applied to the images to map changes in vegetation. An unsupervised classification, followed by classes recoding, filtering, identifications, area computing and post-classification process were applied to the composite of the three years of NDVI images. Maximum likelihood classification was applied to the 2007 image (ETM+2007) using a supervised classification process. Seven vegetation classes were defined from training data sets. The seven classes included the following biomes: riparian forest, dry forest, flooded vegetation, wooded savanna, fallows, parkland, and water. For these classes, the overall accuracy and the overall kappa statistic for the classi- fied map were 72.5% and 0.67, respectively. Data analyses indicated a great change in land resources; especially between 1987 and 2000 proba- bly due to the impact of democratization process social, economic, and political disorder from 1990. Wide-scale loss of vegetation occurred during this period. However, areas of vegetation clearing and regrowth were more visible between 2000 and 2007. The main source of confusion in the contingency matrix was due to heterogeneity within certain classes. It could also be due to spectral homogeneity among the classes. This research provides a baseline for future ecological landscape research and for the next management program in the area. 展开更多
关键词 land change NDVI land cover protected areas Northern Togo
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An evaluation of central Iran’s protected areas under different climate change scenarios (A Case on Markazi and Hamedan provinces) 被引量:2
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作者 Peyman KARAMI Sahar REZAEI +1 位作者 Shabnam SHADLOO Morteza NADERI 《Journal of Mountain Science》 SCIE CSCD 2020年第1期68-82,共15页
Global climate change poses a new challenge for species and can even push some species toward an extinction vortex. The most affected organisms are those with narrow tolerance to the climatic factors but many large ma... Global climate change poses a new challenge for species and can even push some species toward an extinction vortex. The most affected organisms are those with narrow tolerance to the climatic factors but many large mammals such as ungulates with a wider ecological niche are also being affected indirectly. Our research mainly used wild sheep in central Iran as a model species to explore how the suitable habitats will change under different climatic scenarios and to determine if current borders of protected areas will adequately protect habitat requirements. To create habitat models we used animal-vehicle collision points as an input for species presence data. We ran habitat models using Max Ent modeling approach under different climatic scenarios of the past, present and future(under the climatic scenarios for minimum(RCP2.6) and maximum(RCP8.5) CO2 concentration trajectories). We tried to estimate the overlap and the width of the ecological niche using relevant metrics. In order to analyze the effectiveness of the protected areas, suitable maps were concerted to binary maps using True Skill Statistic(TSS) threshold and measured the similarity of the binary maps for each scenario using Kappa index. In order to assess the competence of the present protected areas boundary in covering the distribution of species, two different scenarios were employed, which are ensemble scenario 1: an ensemble of the binary maps of the species distribution in Mid-Holocene, present, and RCP2.6;and ensemble scenario 2: an ensemble of binary suitability maps in Mid-Holocene, present, and RCP8.5. Then, the borders of modeled habitats with the boundaries of 23 existing protected areas in two central provinces in Iran were compared. The predicted species distribution under scenario 1(RCP2.6) was mostly similar to its current distribution(Kappa = 0.53) while the output model under scenario 2(RCP8.5) indicated a decline in the species distribution range. Under the first ensemble scenario, current borders of the protected areas in Hamedan province showed better efficiency to cover the model species distribution range. Analyzing Max Ent spatial models under the second climatic scenario suggested that protected areas in both Markazi and Hamedan provinces will not cover "high suitability" areas in the future. Modeling the efficiency of the current protected areas under predicted future climatic scenarios can help the related authorities to plan conservation activities more efficiently. 展开更多
关键词 Climatic Scenarios Species Distribution Modeling Protected area Niche modeling Wild Sheep
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Motive-based segmentation of international tourists at Gaurishankar Conservation Area,Nepal 被引量:1
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作者 Rojan BANIYA Brijesh THAPA +1 位作者 Ramesh PAUDYAL Suman Shree NEUPANE 《Journal of Mountain Science》 SCIE CSCD 2021年第1期205-218,共14页
Gaurishankar Conservation Area(GCA)is a recently established natural-based protected area in Nepal,which has witnessed an increase in international visitors.To optimize visitor experience,it is essential to examine mo... Gaurishankar Conservation Area(GCA)is a recently established natural-based protected area in Nepal,which has witnessed an increase in international visitors.To optimize visitor experience,it is essential to examine motivations to visit along with visitors’characteristics and behavioral dispositions.The purpose of this study was to examine international tourists via a motive-based segmentation approach for GCA.In addition,the study also intended to identify visitor segments’profile characteristics such as socio-demographic,travel behaviors,satisfaction,loyalty intention,and their willingness to pay for higher entrance fees.Data(N=121)were collected among international tourists visiting GCA either as a primary destination or as a transit point.Results identified three distinct segments of visitors–‘local art and culture enthusiast’,‘escapist’,and‘nature adventurer.’Each cluster was different with regards to their sociodemographics,travelbehavior,satisfaction,willingness to revisit and recommend,and willingness to pay to support the environment and cultural resources,and local economy.The insights gained from motive-based segmentation can be beneficial to GCA to develop specific products and promotions and incorporate visitor monitoring&management programs. 展开更多
关键词 Nature-based tourism Parks Protected areas MOTIVATIONS Motive-based segmentation Visitor management
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