搜索结果: 1-9 共查到“经济学 ocean”相关记录9条 . 查询时间(0.044 秒)
The first scientific exploration of the Antarctic dates to the end of the seventeenth century, when Sir Edmund Halley ventured just south of the Polar Front (about 60°S). During the following century,...
Beyond the Freedom of the Seas: Ocean Policy for the Third Millennium
Ocean Policy Third Millennium
2015/7/30
My general thesis in this talk is that it is time to "enclose" the world ocean. I use the term "ocean" in the singular to emphasize the connectedness of all of the world's major saltwater bodies, with...
The role of the oceans in Earth systems ecology, and the effects of climate variability on the ocean and its ecosystems, can be understood only by observing, describing, and ultimately predicting the ...
A substantial export flux of particulate organic carbon linked to sinking dead copepods during winter 2007–2008 in the Amundsen Gulf (southeastern Beaufort Sea, Arctic Ocean)
southeastern Beaufort Sea particulate organic carbon
2014/4/4
In the Arctic Ocean, vertical fluxes of particulate organic carbon (POC) remain low during the dark winter
period because POC fluxes are derived from photosynthetic production. Passively sinking dead...
Marine Resources: The Economics of U.S. Ocean Policy
ocean policy oceanic exploitation resource
2011/10/9
The article examines the economics of the U.S. ocean policy. Man has learned to produce useful power from tidal sources from several places at a cost about four or five times greater than the next bes...
Marine Resources: The Economics of U.S. Ocean Policy
energy mining operation rock minerals
2011/10/6
The article examines the economics of the U.S. ocean policy. Man has learned to produce useful power from tidal sources from several places at a cost about four or five times greater than the next bes...
Do We Need a New Legal Regime for the Arctic Ocean?
ARCTIC OCEAN governance system natural resources
2011/10/4
This paper surveys matters related to the need for a new legal regime for the Arctic Ocean. It reviews the legal system based on the UN Convention for the Law of the Sea, and the regional and internat...
Do We Need a New Legal Regime for the Arctic Ocean?
ARCTIC OCEAN governance system natural resources
2011/9/24
This paper surveys matters related to the need for a new legal regime for the Arctic Ocean. It reviews the legal system based on the UN Convention for the Law of the Sea, and the regional and internat...
Resource partitioning by species but not sex in sympatric boobies in the central Pacific Ocean
Resource partitioning Reverse sexual dimorphism
2015/11/13
Sympatric species with similar ecological requirements and differences in body size
would be expected to partition resources to facilitate coexistence. For sexually dimorphic species, we
may expect ...