筛选
科学数据
统计数据
共检索到254条 ,权限内显示50条;
Data from: Balancing genetic uniqueness and genetic variation in determining conservation and translocation strategies: a comprehensive case study
- 负责人：
- DOI：
- doi:10.5061/dryad.8566p
- 摘要：
- tic structure and diversity. We found an inverse relationship between genetic differentiation and genetic diversity, highlighting a long-term risk of deliberate isolation
Aansluiting middelbaar agrarisch onderwijs en arbeidsmarkt 1990;;Connection between secondary agricultural education and labour market 1990
- 负责人：
- H.J. Van Pierik, LU Wageningen, Vakgroep Agrarische Onderwijskunde (Depositor);;Landbouw Universiteit Wageningen, Ministerie Van Landbouw
- 关键词：
- Educational theory education agriculture secondary education occupations labour market career onderwijs landbouw onderwijs, middelbaar
- DOI：
- doi:10.17026/dans-x5a-9qvt
- 摘要：
- / education/ readership, mass media, and 'cultural' exposure
Data from: Land-use history alters contemporary insect herbivore community composition and decouples plant-herbivore relationships
- 负责人：
- 关键词：
- abandoned agriculture community composition grasshoppers insect diversity longleaf pine old field plant-insect interactions
- DOI：
- doi:10.5061/dryad.465t5
- 摘要：
- agricultural land use leads to differences in the abundance and community composition of insect herbivores (grasshoppers, families Acrididae and Tettigoniidae
Data from: Local forage fish abundance influences foraging effort and offspring condition in an Endangered marine predator
- 负责人：
- Sherley, Richard
- 关键词：
- African penguin Benguela ecosystem dive behaviour fisheries closures forage fish foraging ecology prey abundance marine spatial management
- DOI：
- doi:10.5061/dryad.sn8ss21
- 摘要：
- for offspring condition and the mean-variance relationship in foraging behaviour to act as leading indicators of poor prey abundance. By rapidly indicating
Data from: Genetic and morphometric divergence in threespine stickleback in the Chignik catchment, Alaska
- 负责人：
- DOI：
- doi:10.5061/dryad.t0b62
- 摘要：
- lakes, and connecting rivers. By applying a set of microsatellite markers, we disentangled the genetic relationship of the individuals across the diverse environments
Data from: Revisiting the measurement of anomie
- 负责人：
- DOI：
- doi:10.5061/dryad.s700k
- 摘要：
- kdown in leadership (i.e., deregulation as lack of legitimacy and effectiveness of leadership). Across six studies we present evidence for the validity of the ne
Data from: Disentangling the drivers of diversification in an imperiled group of freshwater fishes (Cyprinodontiformes: Goodeidae)
- 负责人：
- DOI：
- doi:10.5061/dryad.pc5gc05
- 摘要：
- ny cases, ecological opportunity has played an important role, leading to diversification along trophic or habitat-based axes. The Goodeidae (Teleostomi
Data from: Stream fish community dynamics: a critical synthesis
- 负责人：
- DOI：
- doi:10.5061/dryad.2435k
- 摘要：
- Ecologists have long struggled to understand community dynamics. In this groundbreaking book, leading fish ecologists William Matthews and Edie Marsh
Data from: Across-year social stability shapes network structure in wintering migrant sparrows
- 负责人：
- DOI：
- doi:10.5061/dryad.d3m85
- 摘要：
- ween individuals are virtually unknown. We analysed networks of co-membership in short-term flocks for wintering golden-crowned sparrows (Zonotrichia atricapilla) ac
Data from: Do pathogens reduce genetic diversity of their hosts? Variable effects of sylvatic plague in black-tailed prairie dogs
- 负责人：
- DOI：
- doi:10.5061/dryad.p2j15
- 摘要：
- rates, leading to inbreeding and a loss of genetic variation, with consequences on population viability. Conversely, extirpations may create vacant habitat patches
