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共检索到31条 ,权限内显示50条;
Data from: The signature of fine scale local adaptation in Atlantic salmon revealed from common garden experiments in nature
- 负责人：
- 关键词：
- outbreeding depression adaptive peak anadromous heterosis gene flow spatial scale common garden Adaptation Fisheries Management Hybridization
- DOI：
- doi:10.5061/dryad.s171t
- 摘要：
- to adult return rates. Hence even if supplementary stocking programs obtain broodstock from neighbouring rivers, the risk of extrinsic outbreeding depres
Insect-Flower Networks
- 负责人：
- Dr Adam J. Vanbergen;;UK Centre For Ecology & Hydrology;;Environmental Information Data Centre
- 关键词：
- Biodiversity Pollinators Environmental survey Ecosystem services Agriculture Land use Pollinators
- DOI：
- doi:10.5285/4c058d1f-6166-4606-88a2-d2feaf036a2f
- 摘要：
- . Landowners confirmed that livestock had been absent for at least 70-100 years in undisturbed sites. Where livestock were present, cattle grazing was light
Aggregate mesquite litter mass following soil-litter mixing and decomposition in a semi-arid grassland from 2010-2012
- 负责人：
- 关键词：
- DOI：
- doi:10.6073/pasta/fb37cfb595956225c316160a84442f68
- 摘要：
- . Vegetation structure was manipulated to simulate losses of grass cover from livestock grazing and shrub encroachment. I hypothesized that reductions in grass cover would
Data from: How obstacles perturb population fronts and alter their genetic structure
- 负责人：
- DOI：
- doi:10.5061/dryad.k5r31
- 摘要：
- to the constant speed model when the obstacle size is large compared to the front width. Using this framework, we demonstrate that frontier genotypes just grazing
SGS-LTER Aboveground Vegetation Measurements on and off US Forest Service Burns on the Pawnee National Grassland, Colorado, USA 1997-2004
- 负责人：
- Colorado State University. Libraries;;Colorado State University. Libraries
- DOI：
- doi:10.25675/10217/83326
- 摘要：
- rized by a mosaic of ownership and land use. Ownership includes federal, state or private and land use consists of livestock grazing or row-crops. There are NGO
Time Series of expected Nebraska Sandhills livestock forage (2000 - 2016)
- 负责人：
- DOI：
- doi:10.5066/p9boio3d
- 摘要：
- decisions about stocking rates, hay purchase needs, and other management decisions early in the growing season, minimizing their potential losses from drought
Data from: Climate constrains lake community and ecosystem responses to introduced predators
- 负责人：
- DOI：
- doi:10.5061/dryad.nj3q5
- 摘要：
- cascading impacts throughout food webs and can jeopardize important ecosystem services. We examined the impact of fish stocking on communities and ecosyste
SGS-LTER Impact of Labile and Recalcitrant Carbon Treatments on Plant Communities in a Semiarid Ecosystem on the Central Plains Experimental Ra
- 负责人：
- Colorado State University. Libraries;;Colorado State University. Libraries
- DOI：
- doi:10.25675/10217/85547
- 摘要：
- rized by a mosaic of ownership and land use. Ownership includes federal, state or private and land use consists of livestock grazing or row-crops. There are NGO
Data from: Assessing the efficacy and ecology of biocontrol and biomanipulation for managing invasive pest fish
- 负责人：
- DOI：
- doi:10.5061/dryad.tv47p
- 摘要：
- invoke unintended ecological consequences via ‘stocking-up’ food webs. Application of these results to decision-making frameworks should enable managers
SMES Study: Rabbit Survey Data
- 负责人：
- 关键词：
- DOI：
- doi:10.6073/pasta/5df56fda3c1e1ce4300f65774f655fd3
- 摘要：
- Long-Term Ecological Research site in New Mexico have proposed a desertification model suggesting that perturbations caused by domestic livestock grazing and climate
