搜索结果: 1-15 共查到“理学 habitat”相关记录41条 . 查询时间(0.084 秒)
Semi-natural habitat patches complement flower strips in protecting pollinators
pollinators semi-natural habitat soil
<
2021/8/11
Ecologists observe the diversity of insects on the edge of apple orchards on Lake Constance.
Birds’ eye size reflects habitat and diet, may predict sensitivity to environmental change
birds visual environmental change deforestation
<
2021/8/10
A new study shows the eye size of birds can reveal broad patterns of their biology and behavior, including where they live, what they eat and how they hunt, providing a potential roadmap for future co...
Up to 85 per cent of historical salmon habitat lost in Lower Fraser region
salmon habitat salmon production habitat protection
<
2021/8/6
For perhaps the first time ever, researchers have mapped out the true extent of habitat loss for salmon in the Lower Fraser River, one of the most important spawning and rearing grounds for Pacific sa...
Ocean 'breathability' key to past, future habitat of West Coast marine species（图）
Ocean breathability key to past future habitat West Coast marine species
<
2020/6/5
Marine species off the west coast of North America from Mexico through Canada inhabit the California Current. The cool, nutrient-rich water supports marine life ranging from invisible phytoplankton to...
Ocean 'breathability' key to past, future habitat of West Coast marine species（图）
Ocean breathability key past future habitat West Coast marine species
<
2020/5/29
Marine species off the west coast of North America from Mexico through Canada inhabit the California Current. The cool, nutrient-rich water supports marine life ranging from invisible phytoplankton to...
WETLAND CLASSIFICATION FOR BLACK DUCK HABITAT MANAGEMENT USING COMBINED POLARIMETRIC RADARSAT 2 AND SPOT IMAGERY
Wetlands Synthetic Aperture Radar Polarimetric data Decomposition Classification
<
2018/5/16
The black duck population has decreased significantly due to loss of its breeding habitat. Wetlands are an important feature that relates to habitat management and requires monitoring. Synthetic Apert...
The Giant Panda's Habitat Is Shrinking And Becoming More Fragmented（图）
Giant Panda Habitat Shrinking More Fragmented
<
2017/10/24
A study by Chinese and U.S. scientists finds that while populations of the iconic giant panda have increased recently, the species’ habitat still covers less area and is more fragmented than when it w...
Early Human Habitat,Recreated for First Time,Shows Life Was No Picnic
Early Human Habitat Life Was No Picnic
<
2016/3/21
Scientists have pieced together an early human habitat for the first time, and life was no picnic 1.8 million years ago.Our human ancestors, who looked like a cross between apes and modern humans, had...
Open and closed seascapes: Where does habitat patchiness create populations with high fractions of self-recruitment?
coral reef seascapes dispersal
<
2015/12/11
Which populations are replenished primarily by immigrants (open) and which
by local production (closed) remains an important question for management with implications
for response to exploitation, p...
Many corals host thermally resistant symbionts in high-temperature habitat
Symbiodinium Host–symbiont specifi city
<
2015/12/11
Physiologically distinct lines of dinoflagellate
symbionts, Symbiodinium spp., may confer distinct thermal
tolerance thresholds on their host corals. Therefore, if a
coral can alternately hos...
Whole-Genome Positive Selection and Habitat-Driven Evolution in a Shallow and a Deep-Sea Urchin
positive selection dN/dS
<
2015/12/11
Comparisons of genomic sequence between divergent species can provide insight into the action of natural
selection across many distinct classes of proteins. Here, we examine the extent of positive se...
Modeling the spread of the Argentine ant into natural areas: Habitat suitability and spread from neighboring sites
Invasion model Grid-based model
<
2015/12/10
To predict a fine-scale invasion of Argentine ants (Linepithema humile) into a natural area from the surrounding suburban matrix, we introduce a grid-based invasion model, similar to a cellular ...
Blue Whale Habitat Associations in the Northwest Pacific:Analysis of Remotely-Sensed Data Using a Geographic Information System
Blue Whale Habitat Associations Northwest Pacific Remotely-Sensed Data Geographic Information System
<
2015/8/3
Detection of stereotypic call sequences are now commonly used to locate blue whales (Balaenoptera musculus) in the North Pacific (e.g., Watkins et al., 2000a; Stafford et al., 1998; 2001; McDonald et ...
andscape Estimates of Habitat Types, Plant Biomass, and Invertebrate Densities in a Georgia Salt Marsh
Habitat Types Plant Biomass Invertebrate Densities
<
2015/7/16
Salt marshes often contain remarkable spatial heterogeneity at multiple scales across the landscape. A combination of advanced remote-sensing approaches (hyperspectral imagery and lidar) and conventio...
Discovered deep under Antarctic surface: Extensive, salty aquifer and potentially vast microbial habitat
Antarctic surface Extensive salty aquifer microbial habitat
<
2015/4/30
Using a novel, helicopter-borne sensor to penetrate the surface of large swathes of terrain, a team of researchers supported by the National Science Foundation (NSF) has gathered compelling evidence t...