Mountains are paramount for exploring biodiversity patterns due to the mosaic of topographies and climates encompassed over short distances.Biodiversity research has traditionally focused on taxonomic diversity when i...Mountains are paramount for exploring biodiversity patterns due to the mosaic of topographies and climates encompassed over short distances.Biodiversity research has traditionally focused on taxonomic diversity when investigating changes along elevational gradients,but other facets should be considered.For first time,we simultaneously assessed elevational trends in taxonomic,functional,and phylogenetic diversity of woody plants in Andean tropical montane forests and explored their underlying ecological and evolutionary causes.This investigation covered four transects(traversing ca.2200 m a.s.l.) encompassing 114 plots of 0.1 ha across a broad latitudinal range(ca.10°).Using Hill numbers to quantify abundance-based diversity among 37,869 individuals we observed a consistent decrease in taxonomic,functional,and phylogenetic diversity as elevation increased,although the decrease was less pronounced for higher Hill orders.The exception was a slight increase in phylogenetic diversity when dominant species were over-weighted.The decrease in taxonomic and functional diversity might be attributed to an environmental filtering process towards highlands,where the increasingly harsher conditions exclude species and functional strategies.Besides,the differences in steepness decrease between Hill orders suggest that rare species disproportionately contribute to functional diversity.For phylogenetic diversity the shifting elevational trend between Hill orders indicates a greater than previously considered influence in central Andean highlands of tropical lowlands originated species with strong niche conservatism relative to distantly related temperate lineages.This could be explained by a decreasing presence and abundance of temperate,extratropical taxa towards the central Andes relative to northern or southern Andes,where they are more prevalent.展开更多
In recent years,the area dedicated to cotton cultivation in eastern Henan Province has experienced a continuous decline.Developing efficient multi-cropping systems for cotton and increasing the multiple cropping index...In recent years,the area dedicated to cotton cultivation in eastern Henan Province has experienced a continuous decline.Developing efficient multi-cropping systems for cotton and increasing the multiple cropping index represent effective strategies to stabilize the cotton planting area and enhance the income of cotton farmers.This paper presents an overview of intercropping systems and the benefits associated with cotton rotation and intercropping practices.Specifically,it discusses the"early maturing cotton-wheat"rotation system,the"cotton-watermelon"intercropping system,the"cotton-Dutch bean"intercropping system,and the"early maturing cotton-peanut-garlic"intercropping system.展开更多
The Dutch Standardization Institute(NEN) has initiated the establishment of a European technical committee(CEN/TC 474) that will develop European Standards across the CCUS(carbon capture, utilization and storage) valu...The Dutch Standardization Institute(NEN) has initiated the establishment of a European technical committee(CEN/TC 474) that will develop European Standards across the CCUS(carbon capture, utilization and storage) value chain. With broad participation from CEN Members and European organizations, the committee kicked off in Brussels and finalized its scope and first work programme.展开更多
“Since the establishment of diplomatic relations more than 50 years ago,China and the Netherlands have always respected each other and treated each other as equals,while bilateral dialogue and cooperation have yielde...“Since the establishment of diplomatic relations more than 50 years ago,China and the Netherlands have always respected each other and treated each other as equals,while bilateral dialogue and cooperation have yielded fruitful results.China and the Netherlands are important economic and trade partners,with bilateral trade volume staying at a high level for many years in a row.The two countries’cooperation in agriculture,water conservancy,science and technology,and other fields has been at the forefront of China-EU cooperation,bringing tangible benefits to both countries and their people.I hope that the Dutch side will continue to work with China toward the same direction to seek common ground while shelving differences,so as to uphold the good situation of bilateral cooperation.China is ready to work with the Netherlands to further deepen practical cooperation,strengthen people-to-people exchanges in education,culture,tourism,and at sub-national levels,and facilitate personnel exchanges between the two sides,for the sake of better mutual benefit and win-win results.”展开更多
Quilt Arts of South Africa Edited by MARSHA MACDOWELL Indiana University Press In the far south of the African continent,women have a long tradition of crafting bed coverings using textile techniques commonly used in ...Quilt Arts of South Africa Edited by MARSHA MACDOWELL Indiana University Press In the far south of the African continent,women have a long tradition of crafting bed coverings using textile techniques commonly used in quilting,a practice deeply embedded in the histories of the San and Khoi peoples.Between the late 1600s and the early 1800s,South Africa experienced an influx of Dutch,French,Indian,and British settlers,including military personnel,traders,miners,and missionaries.These groups introduced their own cultural traditions,including the art of quilt making.Today,quilting thrives as a vibrant art form in South Africa.展开更多
1953年1月,一场风暴撼动了北海。海浪淹没了荷兰的海岸线,造成近2000人死亡。54年后,一场类似的风暴再次威胁到了该地区。但这一次,荷兰已经准备好了。主题语境:防洪篇幅:338词易读度:58.64。1 In January of 1953,a storm shook the No...1953年1月,一场风暴撼动了北海。海浪淹没了荷兰的海岸线,造成近2000人死亡。54年后,一场类似的风暴再次威胁到了该地区。但这一次,荷兰已经准备好了。主题语境:防洪篇幅:338词易读度:58.64。1 In January of 1953,a storm shook the North Sea.The waves flooded the Dutch coast⁃line,killing almost 2000 people.54 years later,a similar storm threatened the region.But this time,the Netherlands was ready.展开更多
基金Guillermo Bañares was funded through grants from the Spanish Ministry of Education (FPU14/05303),Escuela Internacional de Doctorado-Universidad Rey Juan Carlos (Doctor Internacional 2017)and the Education and Research Department of Madrid Autonomous Region Government (REMEDINAL TE,S2018/EMT-4338)supported through three grants from the Spanish Ministries of Economy and Competitiveness and Science and Technology (CGL2013-45634-P,CGL2016-75414-P,and PID2019-105064 GB-I00)a grant from Centro de Estudios de América Latina (CEAL)at Universidad Autónoma de Madrid and Banco Santander.
文摘Mountains are paramount for exploring biodiversity patterns due to the mosaic of topographies and climates encompassed over short distances.Biodiversity research has traditionally focused on taxonomic diversity when investigating changes along elevational gradients,but other facets should be considered.For first time,we simultaneously assessed elevational trends in taxonomic,functional,and phylogenetic diversity of woody plants in Andean tropical montane forests and explored their underlying ecological and evolutionary causes.This investigation covered four transects(traversing ca.2200 m a.s.l.) encompassing 114 plots of 0.1 ha across a broad latitudinal range(ca.10°).Using Hill numbers to quantify abundance-based diversity among 37,869 individuals we observed a consistent decrease in taxonomic,functional,and phylogenetic diversity as elevation increased,although the decrease was less pronounced for higher Hill orders.The exception was a slight increase in phylogenetic diversity when dominant species were over-weighted.The decrease in taxonomic and functional diversity might be attributed to an environmental filtering process towards highlands,where the increasingly harsher conditions exclude species and functional strategies.Besides,the differences in steepness decrease between Hill orders suggest that rare species disproportionately contribute to functional diversity.For phylogenetic diversity the shifting elevational trend between Hill orders indicates a greater than previously considered influence in central Andean highlands of tropical lowlands originated species with strong niche conservatism relative to distantly related temperate lineages.This could be explained by a decreasing presence and abundance of temperate,extratropical taxa towards the central Andes relative to northern or southern Andes,where they are more prevalent.
基金Supported by China Agricultural Industry Research System(CARS-15-38).
文摘In recent years,the area dedicated to cotton cultivation in eastern Henan Province has experienced a continuous decline.Developing efficient multi-cropping systems for cotton and increasing the multiple cropping index represent effective strategies to stabilize the cotton planting area and enhance the income of cotton farmers.This paper presents an overview of intercropping systems and the benefits associated with cotton rotation and intercropping practices.Specifically,it discusses the"early maturing cotton-wheat"rotation system,the"cotton-watermelon"intercropping system,the"cotton-Dutch bean"intercropping system,and the"early maturing cotton-peanut-garlic"intercropping system.
文摘The Dutch Standardization Institute(NEN) has initiated the establishment of a European technical committee(CEN/TC 474) that will develop European Standards across the CCUS(carbon capture, utilization and storage) value chain. With broad participation from CEN Members and European organizations, the committee kicked off in Brussels and finalized its scope and first work programme.
文摘“Since the establishment of diplomatic relations more than 50 years ago,China and the Netherlands have always respected each other and treated each other as equals,while bilateral dialogue and cooperation have yielded fruitful results.China and the Netherlands are important economic and trade partners,with bilateral trade volume staying at a high level for many years in a row.The two countries’cooperation in agriculture,water conservancy,science and technology,and other fields has been at the forefront of China-EU cooperation,bringing tangible benefits to both countries and their people.I hope that the Dutch side will continue to work with China toward the same direction to seek common ground while shelving differences,so as to uphold the good situation of bilateral cooperation.China is ready to work with the Netherlands to further deepen practical cooperation,strengthen people-to-people exchanges in education,culture,tourism,and at sub-national levels,and facilitate personnel exchanges between the two sides,for the sake of better mutual benefit and win-win results.”
文摘Quilt Arts of South Africa Edited by MARSHA MACDOWELL Indiana University Press In the far south of the African continent,women have a long tradition of crafting bed coverings using textile techniques commonly used in quilting,a practice deeply embedded in the histories of the San and Khoi peoples.Between the late 1600s and the early 1800s,South Africa experienced an influx of Dutch,French,Indian,and British settlers,including military personnel,traders,miners,and missionaries.These groups introduced their own cultural traditions,including the art of quilt making.Today,quilting thrives as a vibrant art form in South Africa.
文摘1953年1月,一场风暴撼动了北海。海浪淹没了荷兰的海岸线,造成近2000人死亡。54年后,一场类似的风暴再次威胁到了该地区。但这一次,荷兰已经准备好了。主题语境:防洪篇幅:338词易读度:58.64。1 In January of 1953,a storm shook the North Sea.The waves flooded the Dutch coast⁃line,killing almost 2000 people.54 years later,a similar storm threatened the region.But this time,the Netherlands was ready.
