搜索结果: 1-8 共查到“海洋科学 decades”相关记录8条 . 查询时间(0.046 秒)
Study of Belize Barrier Reef Shows Nitrogen Enrichment from Land-based Sources Doubled in Four Decades：What’s killing coral reefs in Florida is also killing them in Belize
coral reef nitrogen concentration algal blooms ecological system
2021/8/5
Only 17 percent of live coral cover remains on fore-reefs in Belize. A study finds new evidence that nitrogen enrichment from land-based sources like agriculture run-off and sewage, are significantly ...
Depleted seamounts near Hawaii recovering after decades of protection（图）
Depleted seamounts Hawaii decades protection
2019/10/21
For decades, overfishing and trawling -- dragging the ocean bottom with heavy nets -- devastated parts of an underwater mountain range in the Pacific Ocean near Hawaii, wrecking deep-sea corals and de...
Decades of Data on World’s Oceans Reveal a Troubling Oxygen Decline
Decades of Data World’s Oceans Oxygen Decline
2017/7/19
A new analysis of decades of data on oceans across the globe has revealed that the amount of dissolved oxygen contained in the water – an important measure of ocean health – has been declining for mor...
Carl Wunsch has written a compelling and important editorial in Science (15 Jan 93, p. 296–297), "Marine Sciences in the Coming Decades," which is based on a 1992 study by the Ocean Studies Board of t...
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...
On thin ice: Combined Arctic ice observations show decades of loss（图）
On thin ice Combined Arctic ice decades of loss
2015/3/18
It’s no surprise that Arctic sea ice is thinning. What is new is just how long, how steadily, and how much it has declined. University of Washington researchers compiled modern and historic measuremen...
Scientists Identify Source of Mysterious Low-Frequency Sound Heard for Decades in the Southern Ocean
Scientists Identify Source Mysterious Low-Frequency Sound Heard for Decades Southern Ocean
2014/5/13
Scientists have conclusive evidence that the source of a unique rhythmic sound, recorded for decades in the Southern Ocean and called the “bio-duck,” is the Antarctic minke whale (Balaenoptera bonaere...
Nitrogen as the limiting nutrient for eutrophication in coastal marine ecosystems: Evolving views over three decades
Nitrogen marine ecosystems
2014/4/30
The first special volume of Limnology and Oceanography, published in 1972, focused on whether phosphorus
(P) or carbon (C) is the major agent causing eutrophication in aquatic ecosystems. Only ...