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Conflicts and Countermeasures between Haba Snow Mountain Nature Reserve and Development of Peripheral Communities 被引量:1
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作者 潘大东 王平 +2 位作者 杨帆 王金亮 晁增华 《Journal of Landscape Research》 2012年第4期68-72,共5页
Using research approaches such as questionnaire investigation, interview, and Participatory Rural Appraisal (PAR), the relationship between Haba Snow Mountain Nature Reserve and peripheral communities was studied. The... Using research approaches such as questionnaire investigation, interview, and Participatory Rural Appraisal (PAR), the relationship between Haba Snow Mountain Nature Reserve and peripheral communities was studied. The results showed that there are lots of conflicts between Haba Snow Mountain Nature Reserve and peripheral communities. On the one hand, conservation of natural environment brings inconvenience to the development of peripheral communities, such as limiting the use of resources, constraining space of development, resulting in economic losses, reducing tourist income, and low compensation. On the other hand, peripheral communities' development threats conservation of the natural environment, for instance, illegal deforestation, illegal mining, over-harvesting, over-grazing and non-ecotourism. Therefore, effective suggestions were given as "scientific planning of functional areas, enhancing economic compensation, devoting more in ecotourism development, and realizing the cooperation of communities". 展开更多
关键词 Haba SNOW MOUNTAIN nature reserve PERIPHERAL COMMUNITIES Conflict Harmonious DEVELOPMENT ECOTOURISM Co-operation of local COMMUNITIES
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COMMUNITY-BASED ECOTOURISM IN NATURE RESERVE OF CHINA 被引量:2
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作者 GUIYan-li FANGYan-gang LIUJi-sheng 《Chinese Geographical Science》 SCIE CSCD 2004年第3期276-282,共7页
This paper introduces a new concept of community-based ecotourism (CBET) that originated in foreign countries. Then it analyzes the significance of CBET development in nature reserve (NR). The authors think that commu... This paper introduces a new concept of community-based ecotourism (CBET) that originated in foreign countries. Then it analyzes the significance of CBET development in nature reserve (NR). The authors think that community participation is the evitable choice of nature reserve′s conservation and development. CBET, as the self-improved model of ecotourism, can promote tourism community sustainable development. Based on the stakeholder analysis of CBET in NRs, this paper addresses the reality, especially the problem of CBET development in NRs of China. In order to develop CBET in NRs of China, this paper takes some suggestions to promote the community participation: 1)gradual political empowerment, 2) deep level economic incentive, 3) widespread educational support, 4) impartial distribution of community benefits, and 5) stakeholders cooperation. 展开更多
关键词 community-based ecotourism community participation tourism development nature reserve
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Sharing and evaluation of a new community co-management model for protecting Crested Ibis:a case study of Crested Ibis National Nature Reserve,China 被引量:5
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作者 WANG Chang-hai WEN Ya-li +2 位作者 LIU Xiao-hai KANG Kai-li LI Bing 《Ecological Economy》 2010年第4期376-386,共11页
The Crested Ibis(Nipponia Nippon) is endemic to Qinling Mountains of China and was once abundant over vast areas of north-east of Asia habitat.During the 20th century,however,the population declined greatly in numbers... The Crested Ibis(Nipponia Nippon) is endemic to Qinling Mountains of China and was once abundant over vast areas of north-east of Asia habitat.During the 20th century,however,the population declined greatly in numbers.Habitat quality used to be the main threat to this species but recent actions by the government and wildlife protection organizations have brought this under control.With the establishment of Crested Ibis Nature Reserve in China,conflicts between socio-economic development and Crested Ibis conservation have become more acute.How do we deal with the relation between Crested Ibis conservation and community development? In this study,the Crested Ibis Nature Reserve co-management model namely "companies + farmers + Nature Reserve" model is proposed and evaluated with demonstration investigation methods,including continuous six-year fixed-site socio-economic development data of surrounding community,company sales revenue data and monitored data of Crested Ibis Nature Reserve.The results show that farmers' income and conservation awareness increased greatly from 2003 to 2008;company sales revenue has increased by about 20% annually in the recent years;management level has noticeably improved in Nature Reserve,the scope of Crested Ibis habitat has expanded 50 hm2;chemical composition of habitat reduced year after year;and the number of Crested Ibis had been growing annually.At the end,the success of the model is evaluated,and problems in implementation of the model are discussed from the following aspects:management system,co-management concept,economic base of partners,marketing mechanism,technical capacity and so on. 展开更多
关键词 SHARING EVALUATION community co-management Crested Ibis Crested Ibis National nature Reserve MODEL Marketing mechanism
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Community Characteristics and Species Diversity of Wetland Plants in the Yangguan Nature Reserve of Dunhuang 被引量:1
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作者 DAI Xueling ZHAO Tingwei +7 位作者 MA Shoushi LIU Xingwen YANG Jinwu MA Haitao HE Wenli YANG Jing DUAN Hongling XIE Jianping 《Journal of Landscape Research》 2016年第2期55-58,共4页
As a typical inland wetland, Yangguan nature reserve wetland in Dunhuang is one of the important stops of migratory route for birds, which is vulnerable and particular. Study on the community characteristics and speci... As a typical inland wetland, Yangguan nature reserve wetland in Dunhuang is one of the important stops of migratory route for birds, which is vulnerable and particular. Study on the community characteristics and species diversity of wetland has great signifi cance for biodiversity protection. Based on the fi eld investigation, the fl oristic composition, geographical elements and species diversity of wetland plants were studied in Yangguan reserve of Dunhuang. The results showed that 26 families, 56 genera and 74 species were recorded in the study area. The largest families were the Gramineae and Chenopodiaceae, accounting for 29.73% of the total. Herbs were the most abundant life-form, accounting for 77.03% of the total. The fl oral geographical elements of the plants were mainly composed of temperate zone distribution type. By using two way indicator species analysis(TWINSPAN), the vegetation in 36 sampling plots could be classifi ed into 8 communities. The species diversity indexes of communities were relatively low, but had large differences among each other. According to the importance value, the Margalef richness index(Rm) ranged from 0 to 4.200. Simpson diversity index(D) was between 0 and 0.512; Shannon diversity index(H) ranged from 0 to 1.400, and Pielou evenness index(J) was within the range of 0.538 to 1.000. The results indicated that the plant species were relatively rare and simple in general, the species diversity of communities was low, and the ecological environment was fragile in Yangguan nature reserve of Dunhuang. 展开更多
关键词 WETLAND FLORA community characteristics Species diversity Yangguan National nature Reserve
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Local Perception on the Exploitation, the Current State and Taboos Related to Pangolins (Pholidota, Mammalia) by the Communities Living in the Tayna Nature Reserve and Its Surroundings (RNT) North Kivu DRC
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作者 David Kambale Malimbo Jonas Kambale Nyumu +6 位作者 Kasereka Vitekere Mbusa Mapoli Benzeth Visando Juakaly Mbumba Guy Crispin Tungaluna Francis Tarla Ngoy Steve 《Journal of Geoscience and Environment Protection》 2020年第12期18-35,共18页
Pangolins are currently considered the most endangered mammal species due to their high rank in local and international traffic. This species is protected in DRC and worldwide, unfortunately it is threatened by numero... Pangolins are currently considered the most endangered mammal species due to their high rank in local and international traffic. This species is protected in DRC and worldwide, unfortunately it is threatened by numerous human actions. The objective of this study is to identify the different reasons for which these animals are exploited, to provide information to determine from the opinions of the respondents the current state of the population from 2015 to today and to identify their hunting techniques by the local populations. We carried out surveys in the households of hunters, farmers and people practicing other professions in 12 villages, located within the RNT and surroundings areas. Two interview techniques were used: the individual interview and the participatory diagnostic technique. 175 people were interviewed individually. Nearly 97% of our respondents are motivated to consume pangolin as bush meat obtaining by hunting. The main reason for eating pangolin meat is 44% preference and 33% habit. The zone does not know the foreign solicitation of the exploitation of pangolins and its derivatives. The opinions of the population regarding the current state of pangolin in the Tayna Nature Reserve indicate that from 2015 to the present day the common pangolin “<em>Manis tricuspis</em>” has been abundant. Hunters use different hunting techniques, dominated by pickup for the <em>Manis tricuspis</em>, digging burrow, fire at the entrance of the burrow for <em>Manis gigantea</em> and the shotgun for the <em>Manis tetradactyla</em>. 展开更多
关键词 Local Perception EXPLOITATION Current State Taboos Pangolins Communities Tayna nature Reserve North Kivu/DRC
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Exploitation of Pangolins (Pholidota, Mammalia) by Communities Living in and around the Tayna Nature Reserve (RNT) North Kivu, Democratic Republic of Congo (DRC)
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作者 David Kambale Malimbo Jonas Kambale Nyumu +6 位作者 Kasereka Vitekere Joel Mapoli Benzeth Visando Juakaly Mbumba Guy Crispin Tungaluna Francis Tarla Yan Hua 《Journal of Geoscience and Environment Protection》 2020年第4期1-17,共17页
Pangolin exploitation has recently increased in diverse forms such as bushmeat consumption;species or parts trade, medical use. This species is protected in Democratic Republic of Congo (DRC) and worldwide, unfortunat... Pangolin exploitation has recently increased in diverse forms such as bushmeat consumption;species or parts trade, medical use. This species is protected in Democratic Republic of Congo (DRC) and worldwide, unfortunately it is threatened by numerous human actions. The purpose of this study was to determine the profiles of actors using pangolins, the reasons for pangolin exploitation and its products and their use within the local community in and surrounding the reserve. We carried out surveys in the households of hunters, farmers and people practicing other professions in 12 villages, located within the Tayna Nature Reserve (RNT) and surroundings areas. Two interview techniques were used: the individual interview and the participatory diagnostic technique. During one month of data collection, 175 respondents were interviewed. Respondents had diverse profiles according to sex, age, education level and ethnicity. Men were more represented as actors in pangolin exploitation (71.70%) than women (28.30%);the most represented age interval was 20 - 30 years. The education level is distinct amongst respondents: illiterate (37%), primary school (32.4%) and graduate from university (2.9%). An average number of respondents are motivated to consume pangolin as meat obtained by hunting at 50%. The main reason for its consumption is preference (44%) and habit (33%). The scales are pangolin derivatives most recognized by local people and widely used in the pharmacopoeia. Consequently, pangolin protection needs some rigorous measures to reinforce the current law implementation. 展开更多
关键词 PANGOLIN Derivative Products Local community Exploitation Traditional Medicine and Tayna nature Reserve
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Study on the Ecotourism and Community Economic Development of Maolan National Natural Reserve in Guizhou Province 被引量:1
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作者 姚正明 余登利 冉景丞 《Journal of Landscape Research》 2011年第7期87-91,共5页
With Maolan National Natural Reserve as the example,the present development of ecotourism and its great significance to community economic development were expounded,the main problems existing in the ecotourist develo... With Maolan National Natural Reserve as the example,the present development of ecotourism and its great significance to community economic development were expounded,the main problems existing in the ecotourist development of Maolan Reserve were exposed,and some suggestions were proposed for speeding up the construction pace of ecotourism,improving the service level and reception capacity,expanding the coverage of people receiving benefits from tourist economy,strengthening the development of tourist products,elongating the industrial chain of tourist economy and establishing feedback mechanism so as to promote the community economic development. 展开更多
关键词 ECOTOURISM community development.Maolan naturAL Reserve.Countermeasures
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Management Philosophy and Practices of Habitat Conservation for Jiuzhaigou Nature Reserve, Sichuan, China 被引量:7
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作者 FANGYi-ping ZENGYong LIShi-ming 《Wuhan University Journal of Natural Sciences》 EI CAS 2005年第4期730-738,共9页
Starting from the pressure on habitat of Jiuzhaigou Nature Reserve broughtabout by traveling activity, this paper puts forward such philosophy of community co-management ofconservation-based tourism development for Ji... Starting from the pressure on habitat of Jiuzhaigou Nature Reserve broughtabout by traveling activity, this paper puts forward such philosophy of community co-management ofconservation-based tourism development for Jiuzhaigou Nature Reserve. According to this philosophy,emphasis is laid on the analysis of the mission of habitat protection, functional division, habitatmaintenance, community construction, scientific study and management organization system. The studyshows that the close relation and significance of rights and interests shared between nature reserveand residents in community, as well as the value of community co-management philosophy ofconservation-based tourism development in sustainable management of nature reserve, have set anexemplary example for other nature reserves. 展开更多
关键词 Jiuzhaigou nature Reserve philosophy of habitat management conservation-based development community co-management
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Impact Factors on Distribution and Characteristics of Natural Plant Community in Reclamation Zones of Changjiang River Estuary 被引量:2
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作者 SUN Yongguang LI Xiuzhen +4 位作者 HE Yanlong JIA Yue MA Zhigang GUO Wenyong XIN Zaijun 《Chinese Geographical Science》 SCIE CSCD 2012年第2期154-166,共13页
To identify impact factors on the distribution and characters of natural plants community in reclamation area, with survey data from 67 plant quadrats in July 2009, soil properties data from 216 sampling points in Apr... To identify impact factors on the distribution and characters of natural plants community in reclamation area, with survey data from 67 plant quadrats in July 2009, soil properties data from 216 sampling points in April 2009, and TM (30 m) data in 2006, the composition and characteristics of natural plants community in different time of the Fengxian area in the Changjiang (Yangtze) River estuary were analyzed with two-way indicator species analysis (TWINSPAN), multivariate analysis of variance (MANOVA), detrended canonical correspondence analysis (DCCA) and canonical correspondence analysis (CCA). The results show that: 1) The plant communities in the reclaimed area are mainly mesophytes and helophytic-mesophytic transitional communities, showing a gradient distribution trend with the change in reclamation years. Species richness (MA), species diversity (H) and above-ground biomass also increase with the increase of reclamation years. Nevertheless, they appear to decline slightly in the middle and late reclamation period (> 30 years). 2) With the rise in land use levels, the changes in species richness and species diversity tend to increase at first and then decrease; species dominance (D), however, tends to decline; and above-ground biomass increases slightly. 3) The distribution of the plant community is mainly influenced by the following factors: land use levels (R = 0.55, p < 0.05), soil moisture (R = 0.53, p < 0.05), soil salinity (R = 0.43, p < 0.05) and reclamation time (R = 0.40, p < 0.05). 展开更多
关键词 natural plant communities soil properties land use patterns reclamation time Changjiang River estuary
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Characteristics of bird communities between slope and valley in natural deciduous forest, South Korea
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作者 任信在 许位行 李宇新 《Journal of Forestry Research》 SCIE CAS CSCD 2003年第3期221-224,共4页
Bird communities were surveyed in natural deciduous forest of both slope area and valley area at Mt. Gyebangsan (3740 30 N, 12830 1 E), Gangwon Province, South Korea in winter, spring, summer and autumn from September... Bird communities were surveyed in natural deciduous forest of both slope area and valley area at Mt. Gyebangsan (3740 30 N, 12830 1 E), Gangwon Province, South Korea in winter, spring, summer and autumn from September 2000 to November 2001. The investigating results showed that there existed differences in the bird species composition, richness, bird species diversity, guild structure between slope area and valley area, and the vertical forest structure, especially coverage of understory, and diameter at breast height (DBH) distribution also had significant difference between the two study areas. The differences in habitat structure between the areas are very likely to have influences on how birds used the available habitat. 展开更多
关键词 Bird community natural deciduous forest SLOPE VALLEY
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Species diversity and stability of natural secondary communities with different cutting intensities after ten years 被引量:1
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作者 WU Zhi-long ZHOU Xin-nian ZHENG Li-feng HU Xi-sheng ZHOU Cheng-jun 《Journal of Forestry Research》 SCIE CAS CSCD 2011年第2期205-208,共4页
Species diversity and stability of natural secondary communities in different layers with different cutting intensities 10 years later were investigated by calculating Marglef Richness index(R),Shannon-Wiener divers... Species diversity and stability of natural secondary communities in different layers with different cutting intensities 10 years later were investigated by calculating Marglef Richness index(R),Shannon-Wiener diversity index(H),Simpson diversity index(P),and Pielou Evenness index(J).Results show that the values of R,H and P among different layers are listed in a decreasing order:the shrub layer the arbor layer the herb layer,all the three indices values reach the maximum under medium selective cutting intensity after 10 years.The J value of the shrub layer shows a concave parabolic change with the increase in cutting intensity;it shows a linear increase for the arbor layer,whereas the J value of the herb layer shows an opposite change pattern.The values of R at different cutting intensities had high significant difference,but other indices had not significant difference.The stability of communities at different cutting intensities after 10 years is non-cutting low selective cutting intensity medium selective cutting intensity high selective cutting intensity extra-high intensity clear cutting.The stability of communities at different cutting intensities after 10 years shows that the greater cutting intensities,the worse the stability is. 展开更多
关键词 community stability cutting intensity natural secondary forest species diversity
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Ecotourism in nature reserves in China:current situation,problems and solutions 被引量:1
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作者 LUO Ju-chun ZHENG Jing-ming 《Forestry Studies in China》 CAS 2008年第2期130-133,共4页
Our presentation focuses on some important issues associated with ecotourism in nature reserves in China's Mainland. Conducting ecotourism in certain areas in nature reserves is important for its protection. Howev... Our presentation focuses on some important issues associated with ecotourism in nature reserves in China's Mainland. Conducting ecotourism in certain areas in nature reserves is important for its protection. However, some problems do exist because of special conditions in our society and in the current projects of nature reserves themselves, such as water and air pollution, unplanned construction of roads and facilities, damage of core zones and buffer zones, and confused ownership of nature reserves. These problems are discussed and solutions are proposed in detail, and we emphasize the participation of local communities in order to help residents fight against poverty. 展开更多
关键词 ECOTOURISM nature reserve participation of local communities
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The Application of the Concept of"Nearly Natural"Plant Community in the Optimization of Coastal Ecological Space
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作者 Zhen YE Yuyuan HUANG Jiahua DONG 《Meteorological and Environmental Research》 CAS 2021年第3期66-69,共4页
The overexploitation of the natural environment caused by urbanization makes more and more natural and semi-natural plant communities gradually lack,which causes a lot of irreversible damage to the environment.Therefo... The overexploitation of the natural environment caused by urbanization makes more and more natural and semi-natural plant communities gradually lack,which causes a lot of irreversible damage to the environment.Therefore,it is very important to carry out ecological environment construction in all fields of urban construction.In this paper,based on theory and method of plant landscape construction under the concept of"nearly natural"plant community,through the investigation and analysis on plant species,distribution,and structural characteristics of plant community in Baguang District of Shenzhen,regional native plant species are summarized,and structural characteristics of original zonal plant community are simulated.The research aims to provide a reference basis for creating a coastal plant landscape with subtropical marine climate for Baguang and even Lingnan,constructing near natural ecological park according to local conditions,forming the pattern well-coordinated with the local natural ecosystem,and carrying out protection of the regional ecological environment. 展开更多
关键词 "Nearly natural"plant community Coastal space ZONALITY Baguang of Shenzhen
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Diversity of insect communities with different development phases in natural Populus euphratica forests in Xinjiang
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作者 QIAO Hai-li LUO You-qing +2 位作者 TIAN Cheng-ming SUN Jian-hua FENG Xiao-feng 《Forestry Studies in China》 CAS 2008年第1期56-59,共4页
An investigation method with sample plots was used to study insect communities in four different growth phases of natural Populus euphratica forests, which are juvenile, middle aged, over-mature and degraded forests, ... An investigation method with sample plots was used to study insect communities in four different growth phases of natural Populus euphratica forests, which are juvenile, middle aged, over-mature and degraded forests, in Tarim, Xinjiang in July, 2005 and April, 2006. In our studies, 5,116 insect specimens, belonging to 12 orders, 61 families and 141 species, were collected. Lepidoptera and Coleoptera were the dominant orders. In middle-aged forests, species, individual numbers and diversity indices of insect com-munities were higher than those in other woodlands. The species richness and diversity indices were lowest in degraded forests be-cause of extremely scarce vegetation. 展开更多
关键词 Xinjiang natural Populus euphratica forest insect community diversity
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Plant Diversity Performance After Natural Restoration in Reclaimed Deyeuxia angustifolia Wetland 被引量:8
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作者 WANG Xuehong TONG Shouzheng +5 位作者 LI Yunzhao Qi Qing ZHANG Dongjie LYU Xianguo GUO Yue LIU Yan 《Chinese Geographical Science》 SCIE CSCD 2019年第3期437-445,共9页
Deyeuxia angustifolia wetlands were widely distributed in the Sanjiang Plain in Northeast China. Due to strong demand for food production, large-area wetlands were reclaimed to farmlands, which threatened regional eco... Deyeuxia angustifolia wetlands were widely distributed in the Sanjiang Plain in Northeast China. Due to strong demand for food production, large-area wetlands were reclaimed to farmlands, which threatened regional ecological security greatly. Since the 21 th century, returning farmlands to wetlands was widely adopted for natural restoration in the Sangjiang Plain. As the first reflection of wetland restoration, vegetation succession of restored D. angustifolia wetlands should be fully assessed. In this study, vegetation investigation was carried out in three restored D. angustifolia wetlands with 5, 8 and 12 yr restoration, respectively. Meanwhile, a natural D. angustifolia wetland was selected as reference wetland. Results showed that community composition changed greatly and there was visible community succession. Community dominant species changed from composite to gramineae as restoration time increasing.At first, weeds community appeared in the restored wetlands, especially the xerophytes developed to the pioneer species rapidly. And then, mesophytes and wetland species became the dominant species in the restored wetlands. Finally, wetland species, especially D. angustifolia, occupied the dominant position of restored community. Shannon-wiener index(H) and Simpson index(D) both decreased to close to natural D. angustifolia wetlands. Compared with natural D. angustifolia wetland, species composition and diversity in restored wetlands were more complex and higher. As restoration time increasing, there were not significant differences between community characteristics of restored wetlands and natural wetland. All these suggested that vegetation in reclaimed D. angustifolia wetland could be restored naturally, but its restored period is 10 yr at least. From another angle, it is important to protect current natural wetlands. 展开更多
关键词 reclaimed Deyeuxia angustifolia WETLAND community COMPOSITION plant DIVERSITY naturAL RESTORATION
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Local communities' participation in decision-making processes through planning and budgeting in African countries 被引量:2
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作者 Leonard I.Chirenje Richard A.Giliba Emmanuel B.Musamba 《Chinese Journal of Population,Resources and Environment》 2013年第1期10-16,共7页
Community participation and community based management are topical themes in current policy and discussion revolving around decision-making processes especially those dealing with natural resources management.This rev... Community participation and community based management are topical themes in current policy and discussion revolving around decision-making processes especially those dealing with natural resources management.This review shows that while governments have accepted the need to either cede or devolve control and management of natural resources to the local communities,the communities are not part and parcel of the planning and budgeting which are crucial in decisionmaking.Communities were seen to be more involved in the implementation of natural resource management programs but lacked ownership of the projects.This causes lack of commitment to the programs and at times hostile reaction from the communities.The communities are always at the receiving end when it pertains to losses in the exchange.Community participation was shown to be effective when the local population is involved not as co-operating users but as natural resource managers or owner managers. 展开更多
关键词 DECISION-MAKING community PARTICIPATION natural resources management PLANNING BUDGETING
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Institutional arrangement and typology of community forests of Meghalaya, Mizoram and Nagaland of North-East India 被引量:2
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作者 B. K. Tiwari H. Tynsong +3 位作者 M. M. Lynrah E. Lapasam S. Deb D. Sharma 《Journal of Forestry Research》 SCIE CAS CSCD 2013年第1期179-186,共8页
Most community forests in hill regions of northeast India have been managed by traditional local institutions for centuries and most of these institutions remain functional even today. Higher forest coverage on privat... Most community forests in hill regions of northeast India have been managed by traditional local institutions for centuries and most of these institutions remain functional even today. Higher forest coverage on private and community lands as compared to government land indicates that traditional institutions effectively manage community forests in the region. The present study was conducted through a survey of literature and field work using participatory research tools viz., PRA exercises, group discussions and questionnaire interviews with key informants in northeast India. We categorized the institutions involved in conservation and management of forests into three major types: traditional, quasi-traditional and modern. Traditional institutions with hierarchal structure were found in all states and are intact and functional in the state of Meghalaya. Quasi-traditional institutions, a blend of traditional and modern institutions were prevalent in Nagaland while modern institutions have almost replaced traditional institutions in Mizoram. We recorded at least eleven types of community forests viz., group of village forest, village forest, restricted forest, sacred forest, clan forest, cemetery forest, regeneration forest, bamboo forest, recreation forest, village reserved forest and medicinal plantation in villages of three states. The tribal people, through long-term trial and error experiments, have developed an elaborate, functional and generally democratic system of conservation and management of forests and associated natural ecosystems. Several forest and natural resource management lessons can be learnt from the institutional structure and decision making system of the evolving and dynamic institutions of tribal communities of the region. 展开更多
关键词 sustainable natural resources community institution: tribal
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Salvage logging versus natural regeneration post-fire practices in a forest: Soil chemical and microbial aspects 被引量:1
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作者 Orit Ginzburg Yosef Steinberger 《Open Journal of Ecology》 2012年第1期29-37,共9页
The increase in forest-wildfire events around the world has revived the old debate regarding the practice of salvage logging and its effectiveness in comparison to the unlogged, natural regeneration of burned forests.... The increase in forest-wildfire events around the world has revived the old debate regarding the practice of salvage logging and its effectiveness in comparison to the unlogged, natural regeneration of burned forests. Since the logging of burned trees may have undesirable outcomes in soil systems, such as soil compaction and nutrient losses, these changes could further cause disturbances to soil microbial-community activity. The aim of this study was to examine chemical and biological changes in soil under two post-fire practices: salvage logging and unlogged, natural regeneration of burned areas, in the recently burned Byria Forest in Israel. Results indicated that salvage logging had a short- lived effect on soil chemical and biological properties that was confined mostly to the first year after logging. Soil moisture was greatly affected by salvage logging, and drier conditions were found in the logged compared to the unlogged burned areas. Moreover, logging had a negative effect on microbial biomass, with reduced biomass in the logged compared to unlogged areas, which was more evident during the first year after fire. These findings support the recommendations in the literature to postpone post-fire practices such as logging or, in turn, to combine the two practices in order to create a mosaic of burned-logged and burned-naturally regenerated areas. 展开更多
关键词 MICROBIAL community natural REGENERATION Post-fire practice SALVAGE LOGGING WILDFIRE
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Community Regeneration Based on CPTED Theory: A Case Study of Rosengard Residential Area in Sweden 被引量:1
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作者 GU Zhixin 《Journal of Landscape Research》 2016年第5期7-10,14,共5页
With urban development and social transformation, residential areas in some western countries have been faced with safety problems and community deterioration. In order to solve these problems through community planni... With urban development and social transformation, residential areas in some western countries have been faced with safety problems and community deterioration. In order to solve these problems through community planning, Crime Prevention through Environmental Design(CPTED) theory had been applied to practice. Rosengard residential area in Malmo, Sweden was a typical example of underclass community with physical and social problems. However, regeneration programme based on CPTED theory aimed to change the community from a problematical area to a safe and attractive neighborhood. Multidimensional analysis was carried out to illustrate the relationship between environmental improvement and security from community image, traffic system, territoriality and natural surveillance perspectives. This study could be considered as a referential approach for community construction and regeneration in China. 展开更多
关键词 community regeneration CPTED theory natural surveillance Residential area
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The Effect of Utilisation on the Floristic Composition of Meadow Communities 被引量:1
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作者 Anna Kryszak Jan Kryszak Agnieszka Strychalska Agnieszka Klarzynska 《Journal of Life Sciences》 2012年第9期1061-1067,共7页
This study presents research results which comprise the following selected communities: Phalaridetum arundinaceae, Alopecuretum pratensis, community with Deschampsia caespitosa, Holcetum lanati, Lolio-Cynosuretum, co... This study presents research results which comprise the following selected communities: Phalaridetum arundinaceae, Alopecuretum pratensis, community with Deschampsia caespitosa, Holcetum lanati, Lolio-Cynosuretum, community Poa pratensis-Festuca rubra. The investigated phytocenoses developed in conditions of lack of utilisation, occasional cutting, occasional alternating meadow-pasture utilisation, pastures with uncut left-overs, 2 cuts and light grazing of the sward by cattle and 2-3 cuts. For the above-mentioned communities the following parameters were assessed: total species number and mean number of species in a phytosociological rel6ves besides Shannon-Wiener diversity index (H'), proportion of synanthropic species, natural valorisation number according to Ogwit and fodder value score (FVS). Regular sward utilisation of plant communities exerts a positive impact not only on the natural values as evidenced by the total and mean number of species in a phytosociological survey and higher biodiversity index (H') but it also impacts the sward fodder value scores of meadows and pastures. The strongest negative influence on the floristic composition of meadow communities and their stability is exerted by sporadic, incorrect utilization as it favours taking over of green areas by grass expansive species and development of communities of low natural and use values (community with Deschampsia caespitosa, Ass. Holcetum lanati and community with Agropyron repens). The strongest impact on the maintenance of meadow and pasture biological stability in the examined region is exerted by their regular, moderate cutting or grazing. 展开更多
关键词 Meadow communities HABITAT UTILISATION floristic diversity natural valorisation
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