搜索结果: 1-15 共查到“知识库 理学 ecology”相关记录57条 . 查询时间(0.341 秒)
动物对植物的取食，即植食过程，是自然界最为常见的生物间相互作用之一。这一过程对植物的生长、繁殖、生存以及生物多样性维持有着深远影响。然而，自然界中的植食程度在不同物种之间差异巨大，如何解释这种差异，已成为当前群落生态学领域数十年来关注的基本科学问题之一。
干旱区覆盖了全球40%以上土地面积，具有巨大的储碳潜力，但其土壤有机碳含量较低。一般认为，干旱条件抑制植物生长，降低其在土壤中的碳源输入。然而，土壤有机碳储量取决于有机碳源输入与分解之间的平衡。土壤有机碳的组成控制其微生物分解过程，其中，溶解性有机质（DOM）是土壤中最活跃的碳组分。因此，认识溶解性有机质组成和可降解性特征及其微生物驱动机制，将有助于深入理解干旱区土壤储碳机制。
Ecosystems in Action: Lessons from Marine Ecology about Recovery, Resistance, and Reversibility
sustainabilit resilience kelp forest
2015/12/11
The study of ecosystems in action, by measuring ecosystem recovery from disturbance, resistance to alterations, and the reversibility of ecosystem
changes, highlights features of natural communities ...
Pre-Whaling Genetic Diversity and Population Ecology in Eastern Pacific Gray Whales: Insights from Ancient DNA and Stable Isotopes
Population Ecology Pre-Whaling Genetic Diversity
2015/12/11
Commercial whaling decimated many whale populations, including the eastern Pacific gray whale, but little is known about
how population dynamics or ecology differed prior to these removals. Of partic...
The role of genes in understanding the evolutionary ecology of reef building corals
Coral Genetics FST Acropora
2015/12/11
A key tool in evolutionary ecology is information about the temporal dynamics
of species over time. Paleontology has long been the major source of this information,
however, a very different source ...
Chemical Ecology and Marine Biodiversity:Insights and Products from the Sea
Chemical Ecology Marine Biodiversity Insights and Products the Sea
2015/8/13
Tremendous attention has been focused on the loss of and threats to, terrestrial biodiversity. Until very recently (Norse, 1993), much less attention was devoted to marine biodiversity despite the fac...
Ecology of a Chaetoceros socialis Lauder Patch on Georges Bank: Distribution, Microbial Associations, and Grazing Losses
Georges Bank: Distribution Microbial Associations
2015/8/6
The presence of patches and layers in marine pelagic ecosystems may play an important role in providing food for higher trophic levels at concentrations high enough to support the metabolism, growth, ...
Resolving the Impacts and Feedback of Ocean Optics on Upper Ocean Ecology
Resolving the Impacts and Feedback Ocean Optics Upper Ocean Ecology
2015/8/4
The abundance and fecundity of life on this planet is directly related to the energy supplied by the sun. The pyramid of life starts with the absorption of a fraction of this energy, followed by its c...
Seagrass Ecology
Seagrass Ecology
2015/8/4
Seagrasses are an enigmatic, yet extremely important group of aquatic plants, and scientific interest in these valuable ecosystems has grown exponentially over the past 30 years. The last decade, in p...
Supply-Side Ecology and the Response of Zooplankton to Climate-Driven Changes in North Atlantic Ocean Circulation
Response of Zooplankton Supply-Side Ecology
2015/7/29
Recent findings from oceanographic field studies conducted on both sides of the North Atlantic have dramatically altered our view of how zooplankton populations respond to climate-driven changes in oc...
For much of the twentieth century, marine microbial ecology was considered to be a minor and relatively unimportant aspect of oceanography. A lack of appropriate methodology led microbiologists to bel...
The Biology and Ecology of Tintinnid Ciliates:Models for Marine Plankton
Biology and Ecology Tintinnid Ciliates Marine Plankton
2015/7/16
Single-celled eukaryotes called protists are vitally important to marine ecosystems. Protists with chloroplasts (algae) carry out most of the primary production in the sea. What feeds on this algal pr...
Sub-Antarctic and High Antarctic Notothenioid Fishes: Ecology and Adaptational Biology Revealed by the ICEFISH 2004 Cruise of RVIB Nathaniel B. Palmer
Sub-Antarctic High Antarctic Notothenioid Fishes
2015/7/15
The goal of the ICEFISH 2004 cruise, which was conducted on board RVIB
Nathaniel B. Palmer and traversed the transitional zones linking the South Atlantic to the Southern
Ocean, was to compare the...
tWo decadeS of pelagic ecology of the WeSterN aNtarctic peNiNSula
WeSterN aNtarctic peNiNSula pelagic ecology
2015/7/15
Significant strides in our understanding of the marine pelagic
ecosystem of the Western Antarctic Peninsula (WAP) region have been made over
the past two decades, resulting from research conducted...
BOOK REVIEW | The Silent Deep:The Discovery,Ecology,and Conservation of the Deep Sea
Silent Deep Discovery Ecology Conservation of the Deep Sea
2015/7/7
The deep sea represents one of the last great frontiers on Earth. Although once thought devoid of life, technology has brought the true abundance of deep ocean life into our human consciousness. Koslo...