搜索结果: 1-15 共查到“理学 environmental change”相关记录17条 . 查询时间(0.253 秒)
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...
全球数以百万计的人依靠湖泊提供多种多样的生态系统服务，人类也使用湖泊作为食物来源和多种经济活动，并且许多生物类群也依赖湖泊生存。然而，尽管湖泊的重要性，我们仍然缺乏人类活动对全球湖泊影响的评估。近日，我院克里斯托（Christos Mammides）副教授在环境科学顶尖期刊《Global Environmental Change》上发表题为：“A global assessment of the ...
Environmental change in Africa:Will it lead to a drying Lake Victoria?（图）
Environmental change Africa drying Lake Victoria
2019/12/2
Global climate change could cause Africa's Lake Victoria, the world's largest tropical lake and source of the Nile River, to dry up in the next 500 years, according to new NSF-funded findings by a tea...
Environmental change is triggering an identity switch in grasslands（图）
Environmental change triggering identity switch grasslands
2019/10/21
Since the first Homo sapiens emerged in Africa 300,000 years ago, grasslands have sustained humans and thousands of other species. Today, those grasslands are shifting. Global change -- including clim...
Study considers sensory impacts of environmental change on ocean species（图）
sensory impacts environmental change ocean species
2019/10/22
Studies of how global environmental change is impacting marine organisms have long focused on physiological effects—for example, an oyster’s decreased ability to build or maintain a strong shell in an...
Paleosols in the Transantarctic Mountains: indicators of environmental change
Transantarctic Mountain Paleosols
2015/1/5
The Transantarctic Mountains (TAMs), a 3500 km long chain that subdivides East Antarctica from West Antarctica, are important for reconstructing the tectonic, glacial, and climatic history of Antarc...
Climate and Environmental Change in Arctic Canada: Observations from Upper and Lower Murray Lakes, Ellesmere Island, Nunavut
Arctic Climate Holocene Lakes
2014/10/22
This study was designed with the overriding goal of improving our understanding of the nature, causes, and impacts of past climatic conditions in the High Arctic and to evaluate the potential impacts ...
Lacustrine Records of Holocene Climate and Environmental Change from the Lofoten Islands, Norway
Holocene lake sediment Lofoten Islands Norway paleoclimate tephrochronology
2014/10/22
Lakes sediments from the Lofoten Islands, Norway, can be used to generate well resolved records of past climate and environmental change. This dissertation presents three lacustrine paleoenvironmental...
NSF symposium addresses the long view of environmental change: Ecological scenarios（图）
environmental change Ecological scenarios
2014/3/18
Results of their efforts to understand and anticipate global environmental changes through the process of scenario thinking and ecological forecasting are the topic of the annual National Science Foun...
Benthic foraminifera assemblages in the Central Barents Sea:an evaluation of the effect of combining live and total fauna studies in tracking environmental change
Benthic foraminifera assemblages Central Barents Sea combining live total fauna studies
2009/12/2
We present living (stained) benthic foraminifera assemblage data in nine surface sediment samples from the central Barents Sea collected in 2005 and 2006. The abundances of 20 selected species are com...
Palaeolimnological assessment of environmental change over the last two centuries in oligotrophic Lake Nohipalu Valgjärv,southern Estonia
lake sediment diatoms 210Pb chronology reference conditions Lake Nohipalu Valgjä rv
2009/10/21
The main objectives of this study were to reconstruct the environmental conditions for a small oligotrophic lake during the last two centuries, to determine if the environment of the lake was anthropo...
Evolutionary geomorphology：thresholds and nonlinearity in landform response to environmental change
Evolutionary geomorphology environmental change
2009/5/15
Geomorphic systems are typically nonlinear, owing largely to their threshold-dominated nature (but due to other factors as well). Nonlinear geomorphic systems may exhibit complex behaviors not possibl...
Importance of long-term monitoring for detecting environmental change:lessons from a lowland river in south east England
long-term monitoring environmental change lowland river south east England
2010/1/18
Rising nitrate concentrations in rivers and groundwater in regions with intensive agriculture have been of concern for several decades. Long records of nitrate concentration are rare; in the UK, few p...
Eco-environmental Change Records of Antarctic Ice-free Areas in the Sediments Influenced by Marine Animals
Antarctica sediments influenced by animal excrements penguin seal eco-environmental variation human civilization
2008/7/8
The accumulative profiles of seabird and sea animal excrement together with the depositional sequences influenced by the excrement have been utilized to reconstruct the historical populations of Antar...
Environmental Change and Agricultural Development in Historical Documentary
Northwest China historical climate environmental change agricultural exploitation reclamation and desertion historical documentary records
2008/7/8
The paper investigates the historical agricultural exploitation in Northwest China, and its social benefits in the context of historical documents and their relationship with temperature and humidity ...