Abstract：
:Aquatic ecosystems are fundamentally altered by nutrient enrichment, and effective monitoring tools are needed to detect biological responses especially in the early stages of eutrophication. We tested the utility of biological trait analysis (BTA) to quantify the temporal responses of nematodes inhabiting salt marsh creeks that were experimentally enriched with nutrients for 6 years. Feeding, body shape, and tail shape traits were characterized on >6000 nematodes from annual samples from enriched and non-enriched sites. Here, we ask if trait combinations are more effective than single traits in detecting the magnitude and rate of change. We also sought to identify combinations of traits that best distinguish natural from nutrient-induced variation. BTA revealed that feeding, body shape, and all traits combined equally detected the response to nutrient enrichment. Compared to single traits however, BTAs were more sensitive to temporal trends and better distinguished natural variation from the response to nutrient enrichment. Tail shape traits (that might respond to altered sediment texture or geochemistry) were not affected by enrichment, and feeding traits yielded the greatest difference between enriched and reference communities indicating that changes in food resources drove responses. Feeding traits provided the highest quality information content in our study, and the use of feeding traits alone may adequately identify anthropogenic effects in many studies. However, we caution that body shape, tail shape, and feeding traits were strongly interrelated at our study site, and a diversity of trait groups may increase the information content of BTAs in more diverse habitats.
journal_name
Environ Monit Assessjournal_title
Environmental monitoring and assessmentauthors
Mitwally HM,Fleeger JWdoi
10.1007/s10661-016-5128-3subject
Has Abstractpub_date
2016-03-01 00:00:00pages
140issue
3eissn
0167-6369issn
1573-2959pii
10.1007/s10661-016-5128-3journal_volume
188pub_type
杂志文章abstract：:Seasonal changes in micromineral and macromineral concentrations in tissues of shrimp (Parapenaus longirostris) from Marmara Sea were measured for a 1-year period by using inductively coupled plasma mass spectrometer. The contents of investigated minerals in shrimp were found to be in the range of 0.374-0.716 mg/kg fo...
journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
doi：10.1007/s10661-009-0787-y
更新日期：2010-03-01 00:00:00
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journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
doi：10.1007/s10661-009-0803-2
更新日期：2010-03-01 00:00:00
abstract：:Climate change, higher levels of natural resource demands, and changing land use will likely lead to changes in vegetation configuration in the mountain regions. The aim of this study was to determine if the vegetation cover and composition have changed in the Swedish region of the Scandinavian Mountain Range, based o...
journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
doi：10.1007/s10661-016-5457-2
更新日期：2016-08-01 00:00:00
abstract：:Coastal shrimp farming may lead to the contamination of sediments of surrounding estuarine and marine ecosystems as shrimp farm effluent often contains high levels of pollutants including a range of organic compounds (from uneaten feed, shrimp feces, and living and dead organisms) which can accumulate in the sediments...
journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
doi：10.1007/s10661-013-3207-2
更新日期：2013-10-01 00:00:00
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更新日期：2018-07-24 00:00:00
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journal_title：Environmental monitoring and assessment
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journal_title：Environmental monitoring and assessment
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更新日期：2013-04-01 00:00:00
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journal_title：Environmental monitoring and assessment
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更新日期：1991-03-01 00:00:00
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journal_title：Environmental monitoring and assessment
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更新日期：2010-11-01 00:00:00
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journal_title：Environmental monitoring and assessment
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更新日期：2010-08-01 00:00:00
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更新日期：2011-08-01 00:00:00
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journal_title：Environmental monitoring and assessment
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更新日期：2004-11-01 00:00:00
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journal_title：Environmental monitoring and assessment
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doi：10.1007/BF00398031
更新日期：1986-07-01 00:00:00
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journal_title：Environmental monitoring and assessment
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doi：10.1007/s10661-006-9473-5
更新日期：2007-08-01 00:00:00
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journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
doi：10.1007/s10661-020-08747-8
更新日期：2020-11-24 00:00:00
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journal_title：Environmental monitoring and assessment
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doi：10.1007/BF00396149
更新日期：1996-01-01 00:00:00
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journal_title：Environmental monitoring and assessment
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更新日期：2011-06-01 00:00:00
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更新日期：2002-11-01 00:00:00
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更新日期：2018-11-23 00:00:00
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journal_title：Environmental monitoring and assessment
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更新日期：2014-03-01 00:00:00
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更新日期：2018-01-22 00:00:00
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journal_title：Environmental monitoring and assessment
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journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
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更新日期：2013-08-01 00:00:00
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journal_title：Environmental monitoring and assessment
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更新日期：2012-08-01 00:00:00
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journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
doi：10.1007/s10661-020-8091-y
更新日期：2020-01-17 00:00:00
