نتایج جستجو برای: salt marsh

تعداد نتایج: 83805  

Journal: :Marine pollution bulletin 2007
Jennifer B Culbertson Ivan Valiela Emily E Peacock Christopher M Reddy Anna Carter Rachel VanderKruik

In September 1969, the Florida barge spilled 700,000L of No. 2 fuel oil into the salt marsh sediments of Wild Harbor (Buzzards Bay, MA). Today the aboveground environment appears unaffected, but a substantial amount of moderately degraded petroleum still remains 8-20cm below the surface. The salt marsh fiddler crabs, Uca pugnax, burrow into the sediments at depths of 5-25cm, and are chronically...

Journal: :Environmental pollution 2008
Jennifer B Culbertson Ivan Valiela Ylva S Olsen Christopher M Reddy

In September 1969, the Florida barge spilled 700,000 L of No. 2 fuel oil into the salt marsh sediments of Wild Harbor, MA. Today a substantial amount, approximately 100 kg, of moderately degraded petroleum remains within the sediment and along eroding creek banks. The ribbed mussels, Geukensia demissa, which inhabit the salt marsh creek bank, are exposed to the spilled oil. Examination of short...

2007
LINDA A. DEEGAN JENNIFER L. BOWEN DEANNE DRAKE JOHN W. FLEEGER CARL T. FRIEDRICHS KARI A. GALVÁN JOHN E. HOBBIE CHARLES HOPKINSON D. SAMUEL JOHNSON J. MICHAEL JOHNSON LYNSEY E. LEMAY ERIN MILLER BRUCE J. PETERSON CHRISTIAN PICARD SALLIE SHELDON MICHAEL SUTHERLAND JOSEPH VALLINO R. SCOTT WARREN

Salt marsh ecosystems have been considered not susceptible to nitrogen overloading because early studies suggested that salt marshes adsorbed excess nutrients in plant growth. However, the possible effect of nutrient loading on species composition, and the combined effects of nutrients and altered species composition on structure and function, was largely ignored. Failure to understand interact...

1999
RICHARD H. PIERCE WENDY KOZLOWSKI

This investigation was undertaken to determine whether the mosquito larvicide temephos (applied as Abate 4-Et) created an environmental hazard for nontarget organisms in a southwest Florida salt marsh community. Field toxicity tests were performed during routine larvicide applications using larvae of salt marsh crabs (Aratus pesonii and Uca rapax) and adult Mysidopsis bahia. Laboratory toxicity...

2001
Celia Lewis David G. Casagrande

The objectives of this study were to document avian species inhabiting West River Memorial Park in New Haven, Connecticut and develop goals for restoration of a salt marsh bird community. Restoration goals were based on the breeding season bird community at the restoration site, breeding season communities of less disturbed salt marshes, and a literature review. Community descriptions included ...

Journal: :Biogeosciences 2021

Abstract. The persistence of tidal wetland ecosystems like salt marshes is threatened by human interventions and climate change. In particular, the threat accelerated sea level rise (SLR) has increasingly gained attention scientific community recently. However, studies investigating effect SLR on plants vertical marsh accretion are usually restricted to species or do not consider phenotypic pla...

2017
Ana I. Sousa Danielle B. Santos Eduardo Ferreira da Silva Lisa P. Sousa Daniel F. R. Cleary Amadeu M. V. M. Soares Ana I. Lillebø

Ria de Aveiro is a mesotidal coastal lagoon with one of the largest continuous salt marshes in Europe. The objective of this work was to assess C, N and P stocks of Spartina maritima (low marsh pioneer halophyte) and Juncus maritimus (representative of mid-high marsh halophytes) combined with the contribution of Halimione portulacoides, Sarcocornia perennis, and Bolbochenous maritimus to the la...

Journal: :Remote Sensing 2017
Shuvankar Ghosh Deepak R. Mishra

In this study, we examined the phenology of the salt marsh ecosystem across coastal Louisiana (LA) for a 16-year time period (2000–2015) using NASA’s Moderate Resolution Imaging Spectroradiometer’s (MODIS) eight-day average surface reflectance images (500 m). We compared the performances of least squares fitted asymmetric Gaussian (AG) and double logistic (DL) smoothing functions in terms of in...

Journal: :International Journal of Health Geographics 2009
Ilia Rochlin Tom Iwanejko Mary E Dempsey Dominick V Ninivaggi

BACKGROUND In many parts of the world, salt marshes play a key ecological role as the interface between the marine and the terrestrial environments. Salt marshes are also exceedingly important for public health as larval habitat for mosquitoes that are vectors of disease and significant biting pests. Although grid ditching and pesticides have been effective in salt marsh mosquito control, marsh...

Journal: :Environmental management 2007
Kristin B Byrd N Maggi Kelly Adina M Merenlender

Historical and recent remote sensing data can be used to address temporal and spatial relationships between upland land cover and downstream vegetation response at the watershed scale. This is demonstrated for sub-watersheds draining into Elkhorn Slough, California, where salt marsh habitat has diminished because of the formation of sediment fans that support woody riparian vegetation. Multiple...

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