筛选
科学数据
统计数据
共检索到3213条 ,权限内显示50条;
Data from: Philip Grime's fourth corner: are there plant species adapted to high disturbance and low productivity?
- 负责人:
- DOI:
- doi:10.5061/dryad.37445
- 摘要:
- , this classification is based on the assumption that the niche space of disturbance and productivity is filled unevenly: while in productive habitats species can adapt
Data from: Low-productivity boreal forests have high conservation value for lichens
- 负责人:
- 关键词:
- productivity-diversity relationship;dead wood;Boreal forest;epixylic;epiphytic;mire;Pinus sylvestris
- DOI:
- doi:10.5061/dryad.4q1s881
- 摘要:
- -dwelling lichens and forest stand structure between productive and low-productivity forest stands. We surveyed 84 Scots pine-dominated stands in thr
Data from: Stressor fluxes alter the relationship between beta-diversity and regional productivity
- 负责人:
- DOI:
- doi:10.5061/dryad.r8j9596
- 摘要:
- productivity, probably because dispersal disrupted local dynamics by removing organisms from the most-productive unstressed community. In pr
Data from: Cumulative reproductive costs on current reproduction in a wild polytocous mammal
- 负责人:
- DOI:
- doi:10.5061/dryad.9mk47dg
- 摘要:
- The cumulative cost of reproduction hypothesis predicts that reproductive costs accumulate over an individual’s reproductive lifespan. While short
Modelling beef cattle production systems from the Pampas in Brazil to assess intensification options
- 负责人:
- DOI:
- doi:10.6084/m9.figshare.10258262
- 摘要:
- ABSTRACT Traditional livestock productivity is hard to estimate, since it depends on a gamut of animal production indicators that are difficult
Data from: Worldwide evidence of a unimodal relationship between productivity and plant species richness
- 负责人:
- DOI:
- doi:10.5061/dryad.038q8
- 摘要:
- ) suggests that plant diversity peaks at intermediate productivity; at low productivity few species can tolerate the environmental stresses, and at high
Agricultural Total Factor Productivity (TFP), 2000-2016
- 负责人:
- IFPRI-Data;;International Food Policy Research Institue (IFPRI)
- 关键词:
- DOI:
- doi:10.7910/dvn/pjdgtj
- 摘要:
- ng food security. To measure the efficiency of agricultural systems, we use total factor productivity (TFP). TFP is an indicator of how efficiently agricultural land
Data from: The effect of dietary restriction on reproduction: a meta-analytic perspective
- 负责人:
- DOI:
- doi:10.5061/dryad.3fc02
- 摘要:
- on of the trade-off between lifespan and reproduction. However, recent studies have questioned the role of reproduction in mediating the effect of DR on longevi
Data from: Shifts in North Sea forage fish productivity and potential fisheries yield
- 负责人:
- Van Deurs, Mikael
- 关键词:
- maximum sustianable yield functional complimentarity bottom-up effect small pelagic fisheries fisheries regime shift recruitment growth
- DOI:
- doi:10.5061/dryad.tq1f7
- 摘要:
- d a population model to demonstrate how observed shifts in productivity affected total forage fish biomass and fisheries yield. The productivity of North Sea
Data from: Trophic niche size and overlap decreases with increasing ecosystem productivity
- 负责人:
- DOI:
- doi:10.5061/dryad.xwdbrv1b3
- 摘要:
- with the hypothesis that increasing productivity allows species to focus on a narrower diet. This pattern describes the relationship between ecosystem production