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Land use, habitat, and water quality effects on macroinvertebrate communities in three watersheds of a Lake Michigan associated marsh system

Identifieur interne : 000837 ( Istex/Corpus ); précédent : 000836; suivant : 000838

Land use, habitat, and water quality effects on macroinvertebrate communities in three watersheds of a Lake Michigan associated marsh system

Auteurs : P. M Stewart ; J. T Butcher ; T. O Swinford

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RBID : ISTEX:F0C38FF2828671DC613A6906960A97D0E94EC9F0

English descriptors

Abstract

Three watersheds within a marsh system draining into Lake Michigan in northwest Indiana, USA, were studied for differences among land use, habitat conditions and water quality to determine their influence on macroinvertebrate community structure. Much of this area had been altered for agricultural, commercial, industrial and residential land uses. Land use, habitat conditions and water quality were significantly different among watersheds. Water quality varied more among streams than within streams. Several variables were related to land use, especially dissolved ions. Macroinvertebrate communities depicted neither a healthy wetland nor a healthy stream system. Some sites were typical of a sand-based, erosional stream system and others were more typical of a wetland system. Communities were different both in and among streams; relationships with water chemistry variables and land use suggested that community structure was a function of local-scale, abiotic factors rather than watershed-scale characteristics. These results show the importance of local-scale influences on the structure and function of macroinvertebrate communities. The development of the methods used to measure these local-scale landscape factors is important to restoration and management.

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DOI: 10.1016/S1463-4988(99)00058-5

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ISTEX:F0C38FF2828671DC613A6906960A97D0E94EC9F0

Le document en format XML

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<note type="content">Fig. 1: Map of the Great Marsh showing sampling sites along Dunes Creek, Derby Ditch, and Kintzele Ditch. M=stream mouth; numbers and letter C refer to site locations in text.</note>
<note type="content">Fig. 2: Major patterns of land use as percent of total in watersheds of Dunes Creek, Derby Ditch, and Kintzele Ditch. Due to combined land-use categories, values do not total 100%.</note>
<note type="content">Fig. 3: Bray–Curtis cluster analysis for the August and December macroinvertebrate community matrix (group average, fourth root transformation) from the Great Marsh.</note>
<note type="content">Table 1: Correlations between land-use and physicochemical variables from the three watersheds in the Great Marsh. All n=21 and all P-values reported are <0.001</note>
<note type="content">Table 2: Correlations between macroinvertebrate metrics and habitat, land-use and physicochemical variables from the three watersheds in the Great Marsh. a=Augustdata, b=Decemberdata</note>
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<abstract lang="en">Three watersheds within a marsh system draining into Lake Michigan in northwest Indiana, USA, were studied for differences among land use, habitat conditions and water quality to determine their influence on macroinvertebrate community structure. Much of this area had been altered for agricultural, commercial, industrial and residential land uses. Land use, habitat conditions and water quality were significantly different among watersheds. Water quality varied more among streams than within streams. Several variables were related to land use, especially dissolved ions. Macroinvertebrate communities depicted neither a healthy wetland nor a healthy stream system. Some sites were typical of a sand-based, erosional stream system and others were more typical of a wetland system. Communities were different both in and among streams; relationships with water chemistry variables and land use suggested that community structure was a function of local-scale, abiotic factors rather than watershed-scale characteristics. These results show the importance of local-scale influences on the structure and function of macroinvertebrate communities. The development of the methods used to measure these local-scale landscape factors is important to restoration and management.</abstract>
<note type="content">Fig. 1: Map of the Great Marsh showing sampling sites along Dunes Creek, Derby Ditch, and Kintzele Ditch. M=stream mouth; numbers and letter C refer to site locations in text.</note>
<note type="content">Fig. 2: Major patterns of land use as percent of total in watersheds of Dunes Creek, Derby Ditch, and Kintzele Ditch. Due to combined land-use categories, values do not total 100%.</note>
<note type="content">Fig. 3: Bray–Curtis cluster analysis for the August and December macroinvertebrate community matrix (group average, fourth root transformation) from the Great Marsh.</note>
<note type="content">Table 1: Correlations between land-use and physicochemical variables from the three watersheds in the Great Marsh. All n=21 and all P-values reported are <0.001</note>
<note type="content">Table 2: Correlations between macroinvertebrate metrics and habitat, land-use and physicochemical variables from the three watersheds in the Great Marsh. a=Augustdata, b=Decemberdata</note>
<subject lang="en">
<genre>Keywords</genre>
<topic>Scale</topic>
<topic>Wetlands</topic>
<topic>Streams</topic>
<topic>Geographic information system</topic>
</subject>
<relatedItem type="host">
<titleInfo>
<title>Aquatic Ecosystem Health & Management</title>
</titleInfo>
<titleInfo type="abbreviated">
<title>AQUECH</title>
</titleInfo>
<genre type="journal">journal</genre>
<originInfo>
<dateIssued encoding="w3cdtf">200001</dateIssued>
</originInfo>
<identifier type="ISSN">1463-4988</identifier>
<identifier type="PII">S1463-4988(00)X0008-5</identifier>
<part>
<date>200001</date>
<detail type="volume">
<number>3</number>
<caption>vol.</caption>
</detail>
<detail type="issue">
<number>1</number>
<caption>no.</caption>
</detail>
<extent unit="issue pages">
<start>1</start>
<end>190</end>
</extent>
<extent unit="pages">
<start>179</start>
<end>189</end>
</extent>
</part>
</relatedItem>
<identifier type="istex">F0C38FF2828671DC613A6906960A97D0E94EC9F0</identifier>
<identifier type="DOI">10.1016/S1463-4988(99)00058-5</identifier>
<identifier type="PII">S1463-4988(99)00058-5</identifier>
<accessCondition type="use and reproduction" contentType="copyright">©2000 Published by Elsevier Science Ltd and AEHMS</accessCondition>
<recordInfo>
<recordContentSource>ELSEVIER</recordContentSource>
<recordOrigin>Published by Elsevier Science Ltd and AEHMS, ©2000</recordOrigin>
</recordInfo>
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</metadata>
<serie></serie>
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