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共检索到531条 ,权限内显示50条;
Data from: Directional selection for flowering time leads to adaptive evolution in Raphanus raphanistrum (Wild radish)
- 负责人：
- DOI：
- doi:10.5061/dryad.3j380
- 摘要：
- on of widespread herbicide resistance. In response, nonherbicidal techniques have been developed which intercept weed seeds at harvest before they enter
Data from: Time-series analysis reveals genetic responses to intensive management of razorback sucker (Xyrauchen texanus)
- 负责人：
- 关键词：
- Conservation Genetics Fisheries Management effective population size census size genetic diversity microsatellites mtDNA
- DOI：
- doi:10.5061/dryad.2g9p0
- 摘要：
- Time-series analysis is used widely in ecology to study complex phenomena, and may have considerable potential to clarify relationships of geneti
Data from: Current and projected cumulative impacts of fire, drought and insects on timber volumes across Canada
- 负责人：
- DOI：
- doi:10.5061/dryad.2qh132f
- 摘要：
- Canada’s forests are shaped by disturbances such as fire, insect outbreaks and droughts that often overlap in time and space. The resulti
Carbon Flux to the Atmosphere from Land-Use Changes 1850-2005 (NDP-050)
- 负责人：
- DOI：
- doi:10.3334/cdiac/lue.ndp050
- 摘要：
- The methods and data sources used to derive this time series of flux estimates are described in Houghton (1999, 2003), Houghton and Hackler (1995
Data from: Identifying management actions to increase foraging opportunities for shorebirds at semi-intensive shrimp farms
- 负责人：
- 关键词：
- tropical wetlands;man-made habitats;habitat use;harvest operations;Aquaculture;non-breeding season
- DOI：
- doi:10.5061/dryad.q1sq0
- 摘要：
- Numenius phaeopus and dowitchers Limnodromus spp. Densities of shorebirds sharply declined daily following harvest. In addition, the time-window
Data from: Harvesting biofuel grasslands has mixed effects on natural enemy communities and no effects on biocontrol services
- 负责人：
- DOI：
- doi:10.5061/dryad.tj3k1
- 摘要：
- ty, or biocontrol services. Harvest effects varied with time, diminishing in strength both within the season (for total abundance and evenness), ac
Data from: Recovery of a boreal ground-beetle (Coleoptera: Carabidae) fauna 15 years after variable retention harvest
- 负责人：
- DOI：
- doi:10.5061/dryad.msbcc2fvq
- 摘要：
- of corresponding controls over time. In contrast, beetle assemblages in ‘mixed’ or ‘conifer’ compartments, that represent later successional forest, move
Data from: Comparison of long-term outcomes between enteral nutrition via gastrostomy and total parenteral nutrition in older persons with dyspha
- 负责人：
- DOI：
- doi:10.5061/dryad.gg407h1
- 摘要：
- or TPN between January 2014 and January 2017. The primary outcome was survival time. Secondary outcomes were oral intake recovery, dischar
Data from: Loss of genetic diversity, recovery, and allele surfing in a colonizing parasite, Geomydoecus aurei
- 负责人：
- DOI：
- doi:10.5061/dryad.63p479j
- 摘要：
- r this time period using 12 microsatellite markers, we test hypotheses concerning linear spatial expansion, genetic recovery time, and allele surfing
Data from: Towards smarter harvesting from natural palm populations by sparing the individuals that contribute most to populati
- 负责人：
- Jansen, Merel
- 关键词：
- Chamaedorea forest management harvest simulations individual heterogeneity Integral Projection Model leaf harvesting NTFP sustainability
- DOI：
- doi:10.5061/dryad.q755t
- 摘要：
- responded similarly to leaf harvesting in terms of growth and reproduction. By contrast, defoliation-induced reduction in survival chance was smaller in lar
