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Geosciences
Special Issues
Water Quality Solutions: Watershed Modeling and Long-term Data Analyses
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Water Quality Solutions: Watershed Modeling and Long-term Data Analyses

A special issue of Geosciences (ISSN 2076-3263). This special issue belongs to the section "Hydrogeology".

Deadline for manuscript submissions: closed (5 September 2019) | Viewed by 5040

Special Issue Editor

Dr. Tamie Veith

E-Mail Website
Guest Editor
U.S. Department of Agriculture, Bldg. 3702 Curtin Rd., University Park, PA 16082, USA
Interests: cost-effective agricultural practices; critical source area hydrology; cross-scale simulation; ecosystem services; emerging contaminants; farm management; non-point source pollution; nutrients; spatio-temporal patterns; sustainable intensification

Special Issue Information

Dear Colleagues,

This Special Issue of Geosciences seeks to bring together high-quality, original research articles, reviews, and technical notes at the intersection of hydrology and biogeochemistry in agricultural watersheds, with an emphasis on results that can lead to real-world applications.

The intensification of agricultural activities has led to coastal hypoxia and the eutrophication of surface water bodies worldwide. There is increasing recognition of the prevalence of nutrient legacy sources in agricultural landscapes, reducing the overall effectiveness of best management practices (BMPs) in improving water quality. Land managers and stakeholders need applied research that informs the adoption of cost-effective BMPs to mitigate both current and legacy pollutants.

We are interested in research that integrates multiple disciplines, including farm-level production, economic incentives, ecosystem services, watershed hydrology, and contaminant fate and transport. Research approaches can be field-level investigations, modeling across spatio-temporal scales, or analyses of long-term datasets. All research should be focused on improving agricultural management practices and generating new insights for on-the-ground efforts that reduce the impact of intensive agriculture on surface and groundwater bodies. 

I encourage you to send a short abstract outlining your research and the primary results obtained in order to verify at an early stage if the contribution you intend to submit fits within the objectives of the Special Issue.

Dr. Tamie Veith
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Geosciences is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • cost-effective agricultural practices
  • critical source area hydrology
  • multi-scale analysis
  • non-point source pollution
  • nutrient legacy

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (1 paper)

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Research

14 pages, 3333 KiB  
Article
Structure of Benthic Macroinvertebrate Communities in the Rivers of Western Himalaya, Nepal
by Ram Devi Tachamo Shah, Subodh Sharma, Deep Narayan Shah and Deepak Rijal
Geosciences 2020, 10(4), 150; https://doi.org/10.3390/geosciences10040150 - 17 Apr 2020
Cited by 6 | Viewed by 4726
Abstract
According to River Continuum Concept (RCC), channel morphology, including sediment loads and channel width, river habitat, flow regimes and water quality, differs from the tributary to the downstream river’s mainstem, allowing shifts in faunal composition from dominance of shredders to collectors downstream, respectively. [...] Read more.
According to River Continuum Concept (RCC), channel morphology, including sediment loads and channel width, river habitat, flow regimes and water quality, differs from the tributary to the downstream river’s mainstem, allowing shifts in faunal composition from dominance of shredders to collectors downstream, respectively. Tributaries are responsible for contributing organic carbons, nutrients and water. However, such knowledge is still limited in the monsoon-dominated river systems of the Himalaya. The study was conducted in the river’s mainstem and tributaries of the Karnali River Basin, which are glacier and spring-fed river systems, respectively, in the western Himalaya, Nepal. A total of 38 river stretches in the river’s mainstem and tributaries were sampled during post-monsoon and pre-monsoon seasons in the years 2018 and 2019. Water quality parameters, such as pH, temperature, electrical conductivity, total dissolved solids, dissolved oxygen, alkalinity and hardness, and the benthic macroinvertebrates were studied. Ten subsamples of benthic macroinvertebrates were collected following the multi-habitat sampling approach at each site. High taxa richness was recorded in tributaries compared to the river’s mainstem while abundance was similar between river types. Non-metric multidimensional scaling (NMDS) formed two distinct groups, reflecting high similarities in benthic macroinvertebrate composition within the tributaries and river’s mainstem rather than between river types. Redundancy analysis (RDA) indicated water temperature and pH as major environmental predictors for benthic macroinvertebrate variability between river types. Therefore, river type-based conservation efforts that account for upstream–downstream linkages of aquatic biota and resources in freshwater ecosystems can ensure the ecological integrity of the whole river basin. Full article
(This article belongs to the Special Issue Water Quality Solutions: Watershed Modeling and Long-term Data Analyses)
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