Landscape template of New York City's drinking-water-supply watersheds

Arscott, David B.; Dow, Charles L.; Sweeney, Bernard W.

doi:10.1899/0887-3593(2006)025[0867:ltonyc]2.0.co;2

Cited by 23 publications

(7 citation statements)

References 55 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Sweeney et al (2006) used a broad range of biological and ecosystem function measures, including (in part) macroinvertebrate assemblages (Kratzer et al 2006), organic matter transport (Kaplan et al 2006), primary production and ecosystem metabolism (Bott et al 2006a, b), and nutrient and organic C uptake (Newbold et al 2006) to assess the sources of the New York City drinkingwater supply. They integrated these measures in a comprehensive analysis of local and landscape features that included variance partitioning across spatial scales (Arscott et al 2006).…”

Section: Landscape Perspectives On Coastal Environmentsmentioning

confidence: 99%

Recent developments in landscape approaches for the study of aquatic ecosystems

Johnson

Host

2010

Journal of the North American Benthological Society

120

View full text Add to dashboard Cite

show abstract

Section: Landscape Perspectives On Coastal Environmentsmentioning

confidence: 99%

Recent developments in landscape approaches for the study of aquatic ecosystems

Johnson

Host

2010

Journal of the North American Benthological Society

120

View full text Add to dashboard Cite

show abstract

“…Estuary ecosystems are important water sources for numerous cities, particularly world-class, densely populated metropolitan areas located at the junction of river and ocean, such as New York, London, Tokyo, Singapore, Hong Kong, and Shanghai 1 2 3 4 . Microbial communities are a key constituent of the microbial food loop of estuary reservoirs, being a decomposer, consumer, primary producer and secondary producer.…”

mentioning

confidence: 99%

Community dynamics of prokaryotic and eukaryotic microbes in an estuary reservoir

Sun

Wang

et al. 2014

Sci Rep

102

View full text Add to dashboard Cite

This study demonstrates both prokaryotic and eukaryotic community structures and dominant taxonomies in different positions of the greatest estuary reservoir for drinking water source in the world in four seasons of one year using 454 pyrosequencing method with total of 312,949 16S rRNA and 374,752 18S rRNA gene fragments, including 1,652 bacteria OTUs and 1,182 fungus OTUs. During winter and spring, the community composition at the phylum level showed that microorganisms had similar structures but their quantities were different. Similarly, obvious changes at the genus level were observed among the samples taken in winter and spring between summer and fall. Microorganisms located the reservoir inlet were founded to be different from those in rear at both phylum and genus level. Air temperature had a stronger effect than sampling location on the microbial community structure. Total nitrogen and dissolved oxygen were algae-monitoring indicators during the whole year. Moreover, Bacillus was an efficient indicator during summer and autumn for bacteria OTUs.

show abstract

“…Similarly, percentages of Chironomidae varied by stream class, and were the greatest in BMP streams during spring, (as predicted), but the pattern reversed in autumn. Arscott et al (2006) recognized that land use, especially agriculture, in New York State does influence the nutrient and sediment content of streams, but these factors may not be the ones that most affect macroinvertebrate communities. Novak & Bode (1992) argue that past metrics (e.g., the HBI) were not designed to assess the effects of non-organic pollution, and that the PMA may more accurately reflect relevant water quality differences.…”

Section: Discussionmentioning

confidence: 99%

Assessment of the effectiveness of best management practices for streams draining agricultural landscapes using diatoms and macroinvertebrates

2011

View full text Add to dashboard Cite

In this study, a bioassessment was conducted to determine the effectiveness of best management practices (BMPs) implemented in farms in the Upper Delaware River watershed, NY (USA). Diatom and macroinvertebrate communities were analyzed across 17 low-order streams, designated as reference, BMP, or non-BMP. Streams lacking improvements (non-BMP) had significantly greater specific conductance, pH, TDP, NH 4 ? -N, and NO 3 --N than did reference streams. Diatom model affinity (DMA) values were significantly greater in reference and BMP streams than in non-BMP streams; non-BMP streams bordered on a ''severely impacted'' rating. The Trophic Diatom Index (TDI) varied two-fold among stream classes, with non-BMP [ BMP [ reference. TDI and DMA values were highly correlated, and both varied significantly with conductance, TDP, NH 4 ? -N, and NO 3 --N. Macroinvertebrate taxa, EPT richness, and Simpson's diversity did not differ significantly among stream classes. Macroinvertebrate metrics (HBI, Bioassessment Profile, Percent Model Affinity) varied by stream class, but none indicated greater water quality in BMP sites. Nonetheless, each correlated significantly with conductance and TDP in the directions predicted by each model. Our data suggest that diatoms are more sensitive to moderate increases in nutrients, conductivity, and pH in highgradient agricultural streams, and may be more useful in assessing stream management practices.

show abstract

Landscape template of New York City's drinking-water-supply watersheds

Cited by 23 publications

References 55 publications

Recent developments in landscape approaches for the study of aquatic ecosystems

Recent developments in landscape approaches for the study of aquatic ecosystems

Community dynamics of prokaryotic and eukaryotic microbes in an estuary reservoir

Assessment of the effectiveness of best management practices for streams draining agricultural landscapes using diatoms and macroinvertebrates

Contact Info

Product

Resources

About