effects of an oil spill and freeze event on intertidal community structure in Washingtonfinal report
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The Region , Camarillo, Calif. (770 Paseo Camarillo, Camarillo 93010)
Oil spills and wildlife -- Washington (State), Intertidal ecology -- Washington (State), Biotic communities -- Washington (State), Cold -- Physiological e
|Statement||prepared for U.S. Department of the Interior, Minerals Management Service, Pacific OCS Region ; prepared by Megan N. Dethier|
|Contributions||United States. Minerals Management Service. Pacific OCS Region|
|The Physical Object|
|Pagination||1 v. (various pagings) :|
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The objectives of the study were (1) to characterize the biotic communities of some of the lesser-known habitat types impacted (or potentially impacted) by oil on the coast of Washington; (2) to document the effects of the Nestucca oil spill on intertidal communities in a variety of habitats; (3) to document normal year-to-year, season-to-season, and site-to-site variation in abundances of plants and animals.
The effects of an oil spill and freeze event on intertidal community structure in Washington: final report /. reproductive output of the population relative to the intensity of the oil spill.
Similarly, the intensity of the oil spill had a stronger inﬂuence on recruitment to the focal population than the size structure of the source population. Size structure of the source population was important, however, when evaluating the seasonal trajectory of theCited by: Increased oil spill intensity resulted in a considerable decrease in total larval production.
The magnitude of the effect of oil spills far exceeded the effect of different size structures in the source population (note y‐axis). Thus, cumulative reproductive output to the larval pool depended more on the intensity of the oil spill than on the size structure of the source by: The Effects of Natural Oil Seepage on Intertidal Communities in Santa Barbara, CA.
Paul Owens Abstract Of the billion gallons of oil entering the world’s oceans each year, % of this occurs naturally in the Santa Barbara channel off the coast of Santa Barbara, California.
Despite these differences, the noxious effects of oil spills on intertidal animal populations are similar and well chronicled in environmental disasters such as the 'Torrey Canyon' (Southward & Southward, ), 'Nella Dan' (Simpson et al., ).
Present communication reports the community structure and distribution pattern of intertidal invertebrate macrofauna at four shores of the Kathiawar peninsular coastline off the Arabian Sea (India). The selected shores have different levels of human activities.
Present report tests three hypotheses; that is, (i) distribution of invertebrate macrofauna in these shores is influenced by space and Cited by: 1. ics of rocky intertidal communities, we initiated a four-part study to evaluate the nature and strength of the link between nearshore benthic and pelagic communities.
The first part, and the subject of this paper, was to quantify nutrients and Chl a at two sites contrasting in community structure. OurCited by: the Rocky Intertidal: fact Sheet The rocky shores that lie at the edge of the ocean, between the high and low tides, are called the rocky intertidal.
Rocky intertidal areas along the west coast of North America are some of the richest and most diverse places in the world.
Details effects of an oil spill and freeze event on intertidal community structure in Washington FB2
Over species of invertebrates and algae can be found in the rockyFile Size: 1MB. The intertidal zone is that part of the marine environment alternately exposed and submerged by tides. Organisms that inhabit intertidal zones must be able to tolerate wave shock, desiccation and radical changes in temperature and salinity.
Introduction. Oil spills have the potential to cause immediate and widespread toxicity to the environment (Brussaard et al., ).Despite the significant reduction in the frequency and volume of oil spills from oil tankers over the past 30 years, Cedre (Centre of Documentation, Research and Experimentation on Accidental Water Pollution) reported 60 oil and chemical spills worldwide Author: Katherine A.
Colvin, Ceri Lewis, Tamara S. Galloway. The effects of an oil spill and freeze event on intertidal community structure in Washington: final report.
[Megan Nichols Dethier; United States. Minerals Management Service. Oil spills at sea will have many effects on the environment and its ecology that are largely dependent on the parameters governing the oil and the oil itself.
These impacts begin at the release, with considerations first made for the volume, nature of release, composition, and duration of the oil by: 6. Oil spill clean ups can have significant effects on the intertidal zone, as clean- up workers step on barnacles and mussels and pressurized clean-up technologies sweep away intertidal life.
At the time of the Exxon Valdez Oil Spill, pressurized hot water was File Size: KB. Predation, especially by crabs, is a common source of mortality for natural and farmed populations of intertidal clams.
Consumption of juvenile “seed clams” forces aquaculturists to try to exclude predators and/or raise juveniles in hatcheries until they can reach a size refuge.
Types of coastal pollution include discarded trash, oil spills, sewage spills, and toxic chemical runoff—all of which can negatively impact intertidal marine life. Urban runoff is pollution that is washed by rain, sprinklers, and any running water from our yards, streets and other urban spaces into nearby waterways and eventually into the ocean.
Initial impacts to the intertidal zone occurred at all tidal levels and in all types of habitats throughout the oil spill area. Direct assessment of the spill effects included sediment toxicity testing, documenting abundance and distribution of intertidal organisms and sampling ecological parameters of.
United States. Minerals Management Service. Pacific OCS Region: The effects of an oil spill and freeze event on intertidal community structure in Washington: final report / (Camarillo, Calif.: The Region, ), also by Megan Nichols Dethier (page images at HathiTrust) United States.
Minerals Management Service. The Exxon Valdez oil spill in March and subsequent cleanup caused injury to intertidal Fucus gardneri populations especially in the upper intertidal. A survey in in Prince William Sound, Alaska showed that the upper boundary of Fucus populations at oiled sites was still an average of m lower than the upper boundary at unoiled by: Environmental Effects of Exxon Valdez Spill Still Being Felt.
On Mathe Exxon Valdez ran aground in northern Prince William Sound, spilling 42 million liters of crude oil and contaminating 1, kilometers of shoreline.
Some 2, sea otters, harbor seals and aboutseabirds died in the days immediately following the spill. Marine intertidal organisms in Prince William Sound were exposed to crude oil following the T/V Exxon Valdez oil spill in The intertidal communities were also subjected to mechanical disturbance during invasive oil spill remediation and cleanup efforts.
Using monitoring data collected from toimpacts and eventual recovery were assessed at oiled but uncleaned sites and Cited by: harvest in altering the community structure, dynamics and diversity of the Kenai Peninsula’s rocky intertidal, Exxon Valdez Oil Spill Gulf Ecosystem Monitoring and Research Project Final Report (GEM Project ), University of Washington, Seattle, Washington.
These relate to not only the oil spillage itself, but also to the disaster management response and the marine physical environment in which the spill occurs.
Oil spill event Several factors are important with regard to the initiating event, the oil spill itself (Appendix 1, Table A).Cited by: The effects of this spill of fuel oil were seen on common intertidal organisms, such as the polychaete worms Cirriforma tentaculata and Cirratulus cirratus, but it was not certain that fuel oil alone was responsible for mortality.
Where oil dispersants were. Bioremediation of the oil spill polluted marine intertidal zone and its toxicity effect on microalgae. Pi Y(1), Xu N, Bao M, Li Y, Lv D, Sun P. Author information: (1)Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Songling Road, QingdaoShandong, China.
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[email protected] by: One of the most difficult decisions that oil spill responders and natural resources managers face during a spill is evaluating the environmental trade-offs associated with dispersant objective of dispersant use is to transfer oil from the water surface into the water column.
When applied before spills reach the coastline, dispersants will potentially decrease exposure for surface. A rocky shore is an intertidal area of seacoasts where solid rock predominates.
Rocky shores are biologically rich environments, and are a useful "natural laboratory" for studying intertidal ecology and other biological processes.
Due to their high accessibility, they have been well studied for a long time and their species are well known. Year Published: Influence of static habitat attributes on local and regional Rocky intertidal community structure.
Rocky intertidal communities are structured by local environmental drivers, which can be dynamic, fluctuating on various temporal scales, or static and not greatly varying across years. The most harmful oil spills in terms of large-scale damage to the marine environment: A.
Discharge from refineries B. Discharge of oil during the unloading of tankers C. Sinking or collision of tankers D. Runoff from coastal cities.
Long-term effects of the ‘Exxon Valdez’ oil spill: sea otter foraging in the intertidal as a pathway of exposure to lingering oil James L. Bodkin 1, *, Brenda E. Ballachey 1, Heather A. Coletti 3, George G.
Description effects of an oil spill and freeze event on intertidal community structure in Washington EPUB
Esslinger 1, Kimberly A. Kloecker 1, Stanley D. Rice 2, John A. Reed 1, Daniel H. Monson 1Cited by:. spill (Ballachey et al.Frost et al.Piatt & Ford ), along with indeterminate numbers of kelps, invertebrates and fishes. Although injury and *Email: [email protected] Inter-Research Long-term effects of the ‘Exxon Valdez’ oil spill: sea otter foraging in the intertidal as a pathway of exposure to.
Ecology and environment news. Research on biodiversity reduction and ecosystems. Read news articles on coral bleaching, deforestation and wetland ecology.
Inandin the intertidal zones of eastern Japan, we investigated the ecological effects of the severe accident at the Fukushima Daiichi Nuclear Power Plant that accompanied the Cited by:
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