NDLI: The influence of suburban land use on habitat and biotic integrity of coastal Rhode Island streams

Content Provider	Springer Nature Link
Author	Lussier, Suzanne M. da Silva, Sara N. Charpentier, Michael Heltshe, James F. Cormier, Susan M. Klemm, Donald J. Chintala, Marnita Jayaraman, Saro
Copyright Year	2007
Abstract	Watershed land use in suburban areas can affect stream biota through degradation of instream habitat, water quality, and riparian vegetation. By monitoring stream biotic communities in various geographic regions, we can better understand and conserve our watershed ecosystems. The objective of this study was to examine the relationship between watershed land use and the integrity of benthic invertebrate communities in eight streams that were assessed over a 3-year period (2001–2003). Sites were selected from coastal Rhode Island watersheds along a residential land-use gradient (4–59%). Using the rapid bioassessment protocol, we collected biological, physicochemical, habitat, and nutrient data from wadeable stream reaches and compared metrics of structure and integrity. Principal component analyses showed significant negative correlation of indicators for stream physicochemical, habitat, and instream biodiversity with increasing residential land use (RLU) in the watershed. The physicochemical variables that were most responsive to percent RLU were conductivity, instream habitat, nitrate, and dissolved inorganic nitrogen (DIN). The positive correlation of DIN with percent RLU indicated an anthropogenic source of pollution affecting the streams. The biotic composition of the streams shifted from sensitive to insensitive taxa as percent RLU increased; the most responsive biological variables were percent Ephemeroptera, percent Scrapers, percent Insects, and the Hilsenhoff biotic index. These data show the importance of land management and conservation at the watershed scale to sustaining the biotic integrity of coastal stream ecosystems.
Starting Page	119
Ending Page	136
Page Count	18
File Format	PDF
ISSN	01676369
Journal	Environmental Monitoring and Assessment
Volume Number	139
Issue Number	1-3
e-ISSN	15732959
Language	English
Publisher	Springer Netherlands
Publisher Date	2007-06-13
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Assessment Land use Monitoring Streams Urbanization Environmental Management Atmospheric Protection/Air Quality Control/Air Pollution Ecology Ecotoxicology
Content Type	Text
Resource Type	Article
Subject	Pollution Medicine Management, Monitoring, Policy and Law

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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