dataService

您的位置: 首页 > 数据服务 > 数据列表页

筛选

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:
关键词:
Ellenberg indicator values;disturbance frequency;disturbance severity
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:
关键词:
Thalassiosira;stressor flux;Odontella;diversity-productivity relationships;Asterionellopsis;Navicula;meta-ecosystems;Melosira;Asterionella
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:
关键词:
current reproductive probability;current litter size;cumulative reproduction;previous reproduction;Marmota flaviventer
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:
关键词:
100199 Agricultural Biotechnology not elsewhere classified
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:
关键词:
productivity-diversity relationship;coordinated distributed experiment;Humped-back model
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:
关键词:
life-history;reproduction;trade-off;systematic review;Dietary restriction;meta-analysis
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:
关键词:
stable isotopes;hypervolumes;Food web theory;niche theory;trophic niche;ecosystem productivity
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

首页上一页12345下一页尾页

意 见 箱

匿名:登录

个人用户登录

找回密码

第三方账号登录

忘记密码

个人用户注册

必须为有效邮箱
6~16位数字与字母组合
6~16位数字与字母组合
请输入正确的手机号码

信息补充