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共检索到99条 ,权限内显示50条;
Winter Rainfall Crops
- 负责人：
- South African Environmental Observation Network
- 关键词：
- biomass potential degraded land erosion barren rock Agriculture Commercial cropping systems Socio-economic Economic activity Land Transformation
- DOI：
- doi:10.15493/bea.data.10000088
- 摘要：
- e from Spot 5 satellite imagery of 2011 and 2012, as well as aerial photography of 2010. The low-level aerial survey of 2013 was conducted to observe crops
Data from: Falling with style: bats perform complex aerial rotations by adjusting wing inertia
- 负责人：
- DOI：
- doi:10.5061/dryad.21qs5
- 摘要：
- maneuvers challenge this notion. We use a model-based tracking algorithm to measure the wing and body kinematics of bats performing complex aerial rotations
Data from: Does perspective matter? A case study comparing Eulerian and Lagrangian estimates of common murre (Uria aalge) distributions
- 负责人：
- Phillips, Elizabeth
- 关键词：
- DOI：
- doi:10.5061/dryad.1hg2n56
- 摘要：
- observed concurrently from ship, aerial, and satellite tag surveys during May, June, and July 2012 in the northern California Current. We cal
Data from: Flap or soar? How a flight generalist responds to its aerial environment
- 负责人：
- van Loon, E. Emiel
- DOI：
- doi:10.5061/dryad.j6s47
- 摘要：
- flight behaviour in relation to the aerial environmental and landscape using hundreds of hours of global positioning system and triaxial acceleration measurements
Missing in action: species competition is a neglected predictor variable in Species Distribution Modelling _Raw_Data
- 负责人：
- 关键词：
- 60208 Terrestrial Ecology 60207 Population Ecology Ecology 50211 Wildlife and Habitat Management
- DOI：
- doi:10.6084/m9.figshare.5150443.v1
- 摘要：
- Presence data forbuffalo (n = 93), warthog (n = 27), waterbuck (n =21), wildebeest (n = 24) andzebra (n =44) were collected via an aerial survey
Missing in action: species competition is a neglected predictor variable in Species Distribution Modelling _Raw_Data
- 负责人：
- 关键词：
- 60208 Terrestrial Ecology 60207 Population Ecology Ecology 50211 Wildlife and Habitat Management
- DOI：
- doi:10.6084/m9.figshare.5150443
- 摘要：
- Presence data forbuffalo (n = 93), warthog (n = 27), waterbuck (n =21), wildebeest (n = 24) andzebra (n =44) were collected via an aerial survey
Data from: Better than fish on land? Hearing across metamorphosis in salamanders
- 负责人：
- DOI：
- doi:10.5061/dryad.mg5ng
- 摘要：
- , and experimental studies on their hearing capabilities are therefore useful to understand the evolutionary and functional drivers behind the shift from aquatic to aerial
Data from: Differences in spatial synchrony and interspecific concordance inform guild-level population trends for aerial insectivorous birds
- 负责人：
- 关键词：
- aerial insectivorous birds population synchrony spatial concordance North American Breeding Bird Survey
- DOI：
- doi:10.5061/dryad.364mb
- 摘要：
- processes driving population change. We examined spatial synchrony and concordance among population trajectories of five aerial insectivorous bird species: chimney
Aerial Surveys of Harbor Seals in Prince William Sound, Alaska: 1989 - 2001
- 负责人：
- 关键词：
- trend analysis Phoca vitulina richardsi population monitoring aerial survey harbor seal prince william sound EVOSTC Exxon Valdez Oil Spill Trustee Council Alaska Pelagic
- DOI：
- doi:10.5063/f1057cvk
- 摘要：
- for the duration of the project.Abstract: We used aerial counts to monitor the trend in numbers of harbor seals in Prince William Sound, Alaska, following the 1989
Data from: Drone?based structure?from?motion photogrammetry captures grassland sward height variability
- 负责人：
- DOI：
- doi:10.5061/dryad.2q8m903
- 摘要：
- the spatial structure of grassland sward height. We combined aerial photographs with field survey data and an open?source image?based modelling?processing workflow
