dataService

您的位置: 首页 > 数据服务 > 数据列表页

筛选

共检索到1238条 ,权限内显示50条;

Data from: Climate and local abundance in freshwater fishes
负责人:
关键词:
environmental niche;quantile regression;geographic information systems;abundant-centre;population size
DOI:
doi:10.5061/dryad.1d1t5
摘要:
of North American freshwater fishes. Climate predicted a portion of the variation in local abundance among populations for 18 species. In addition, the relati
Data from: Predation and nutrients drive population declines in breeding waders
负责人:
关键词:
nest predation;Allee effect;population regulation;communal defense;Charadrii;1987-2015;Density Dependence;interspecific interactions
DOI:
doi:10.5061/dryad.7h76t8b
摘要:
and hence reduced local population density. To test these predictions we recorded nest predation in five species of waders for 4745 nests during 1987-2015
Data from: Linking genetic diversity and temporal fluctuations in population abundance of the introduced feral cat (Felis silvestris catus
负责人:
关键词:
temporal variation;genetic diversity;Felis silvestris catus;Population abundance;Feral cat;Population Genetics - Empirical
DOI:
doi:10.5061/dryad.5n4np5df
摘要:
ons in population abundance has emerged as an important tool for understanding demographic and evolutionary processes in natural populations. This so-called ‘geneti
Data from: Effects of spatial structure of population size on the population dynamics of barnacles across their elevational range
负责人:
关键词:
abundant-centre model Bayesian inference environmental gradients intertidal rocky shore population regulation state-space models Taylor’s power law
DOI:
doi:10.5061/dryad.4qs8c
摘要:
ral variability of populations is larger in the centre of the range compared to the margins because overcompensatory density dependence destabilizes population dynamics
Data from: Long-term demographic surveys reveal a consistent relationship between average occupancy and abundance within local populations
负责人:
关键词:
metapopulation ecology;landscape ecology;habitat quality;occupancy-abundance relationship;analysis of variance;species distribution modeling;Melitaea cinxia
DOI:
doi:10.5061/dryad.ksn02v707
摘要:
y and abundance embodied in the models should reflect the actual population dynamics of the modelled species. To understand the relationship of occupanc
Data from: Phylogeography of the Trans-Volcanic bunchgrass lizard (Sceloporus bicanthalis) across the highlands of southeastern Mexico
负责人:
关键词:
gene flow;divergence;species delimitation;Coalescence;Biogeography;Sceloporus bicanthalis;Phrynosomatidae;Pleistocene;skyline plot
DOI:
doi:10.5061/dryad.7nv16
摘要:
, and Veracruz. The multilocus nuclear data and mtDNA both supported a Late Pleistocene increase in effective population size, and the nuclear data revealed low
Data from: Sea buckthorn berries (Hippophae rhamnoides L.) predict size and composition of a great tit population (Parus major L.).
负责人:
Tinbergen, Joost M.
关键词:
population density winter food population control sex beech crop apparent survival
DOI:
doi:10.5061/dryad.h31dh73
摘要:
In seasonal environments variation in food abundance in the non-breeding season is thought to affect songbird population dynamics. In a unique ti
Data from: Network-scale effects of invasive species on spatially-structured amphibian populations
负责人:
关键词:
Landscape features;long-term analysis;metapopulation dynamics;microhabitat;Rana latastei;Procambarus
DOI:
doi:10.5061/dryad.80gb5mkmx
摘要:
levels affected frog abundance. At the subpopulation scale, frog abundance in a year was related to habitat features, but was unrelated to crayfish
Data from: Temporal patterns in the abundance of a critically endangered marsupial relates to disturbance by roads and agriculture
负责人:
关键词:
Agriculture;species conservation;woylie;timber harvesting;roads;Landscape disturbance;Bettongia penicillata
DOI:
doi:10.5061/dryad.t570g
摘要:
ral patterns in woylie (Bettongia penicillata) abundance before, during and after periods of rapid population change. Data were collected from an area of approximately 140
Data from: Can the source-sink hypothesis explain macrofaunal abundance patterns in the abyss? A modeling test
负责人:
关键词:
macrofaunal abundance;productivity;larval dispersal;source-sink hypothesis;abyssal seafloor
DOI:
doi:10.5061/dryad.1s445
摘要:
ts of the abyss. These low population densities may result in an Allee effect, whereby local reproductive success is inhibited, and populations are maintained

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