搜索结果: 1-15 共查到“marshes”相关记录19条 . 查询时间(0.049 秒)
A voracious crab species is dramatically altering salt marsh ecosystems across the southeastern U.S., a new study reveals.Researchers at Brown University and other institutions found that so...
Mississippi Delta marshes in a state of irreversible collapse, study shows（图）
Mississippi Delta marshes state irreversible collapse
2020/6/5
Given the present-day rate of global sea level rise, remaining marshes in the Mississippi Delta are likely to drown, according to a new Tulane University study.
A key finding of the Na...
High carbon dioxide can create 'shrinking stems' in marshes（图）
High carbon dioxide shrinking stems marshes
2019/10/18
For most plants, carbon dioxide acts like a steroid: the more they take in, the bigger they get. But in a new study, scientists at the Smithsonian Environmental Research Center, Villanova University a...
Salt marshes' capacity to store carbon may be threatened by nitrogen pollution（图）
Salt marshes capacity carbon nitrogen pollution
2019/10/18
Deep in the waterlogged peat of salt marshes, carbon is stored at much greater rates than in land ecosystems, serving as an offset to climate change caused by carbon dioxide (CO2) build-up in the atmo...
DEVELOPING A LAND COVER CLASSIFICATION OF SALT MARSHES USING UAS TIME-SERIES IMAGERY AND AN OPEN SOURCE WORKFLOW
UAS QGIS OpenDroneMap Salt Marsh RGB Supervised Classification Plug-in
2018/11/8
Salt marsh ecology classification is difficult using traditional coarse resolution remote sensing techniques. Salt marshes exhibit a spatial pattern of vegetation zonation that are visually identifiab...
Biodiversity in salt marshes builds climate resilience
Biodiversity salt marshes climate resilience
2016/8/23
Coastal ecosystems worldwide are feeling the heat of climate change. In the Southeastern U.S., salt marshes have endured massive grass die-offs as a result of intense drought, which can affect everyth...
Assessment of Environmental Changes in the Iraqi Marshes by Index of Biological Integrity
IBI Nature Iraq Marshes Aquatic Ecology
2013/3/11
Preventing water flow through the marshes in southern Iraq was a policy of the previous regime in Iraq during 1990’s. This phenomena lead to tremendous structural changes in ecosystems, however after ...
Phytoplankton Index of Biological Integrity (P-IBI) in Several Marshes, Southern IRAQ
IBI Nature Iraq Marshes Aquatic Ecology
2013/3/12
Indices of Biological Integrity (IBIs) are being increasingly used as useful and direct tools for assessing general health of aquatic ecosystems. Although such ecosystems in Iraq, especially the south...
On the Current and Restoration Conditions of the Southern Iraqi Marshes: Application of the CCME WQI on East Hammar Marsh
WQI Iraqi Marshes Restoration Nature Iraq
2013/3/12
Water quality of the East Hammar marsh after restoration was assessed by using the Canadian Council of Ministers of the Environment Water Quality Index (CCME WQI).The model was applied in two approach...
Salt marshes and eutrophication: An unsustainable outcome
An unsustainable outcome Salt marshes
2014/4/17
Most plant production by emergent coastal marshes occurs belowground. This belowground production adds
to the accumulation of organic matter sustaining salt marshes as sea level rises, thus preventin...
Salt marshes as a source of chromophoric dissolved organic matter (CDOM) to Southern California coastal waters
Salt marshes chromophoric dissolved organic matter
2014/4/21
To determine chromophoric dissolved organic matter (CDOM) sources in Southern California coastal waters,
optical properties of a river outlet and adjacent tidally flushed salt marshes were monitored ...
Tidal marshes as a source of optically and chemically distinctive colored dissolved organic matter in the Chesapeake Bay
Tidal marshes optically chemically distinctive colored dissolved organic matter the Chesapeake Bay
2014/4/21
The role of tidal marshes as a source of dissolved organic carbon (DOC) and colored dissolved organic matter (CDOM) for adjacent estuarine waters was studied in the Rhode River subestuary of the Chesa...
Tidal marshes as a source of optically and chemically distinctive colored dissolved organic matter in the Chesapeake Bay
Tidal marshes as a source of optically and chemically distinctive colored dissolved organic matter in the Chesapeake Bay
2014/4/18
The role of tidal marshes as a source of dissolved organic carbon (DOC) and colored dissolved organic matter (CDOM) for adjacent estuarine waters was studied in the Rhode River subestuary of the Chesa...
Coastal salt-marshes represent an important coastal wetland system. The total area of coastal wetlands exceeds 5000 km2 in Jiangsu Province, China, but it is decreasing rapidly in response...
Freshwater input structures soil properties, vertical accretion, and nutrient accumulation of Georgia and U.S tidal marshes
Freshwater input structures soil properties vertical accretion nutrient accumulation Georgia U.S tidal marshes
2014/4/22
To identify relationships between freshwater input and marsh soil properties, measurements of bulk density, nutrients (carbon [C], nitrogen [N], phosphorus [P]), accretion, and accumulation were compa...