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Sustainability
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Ecosystems Approach to Water Resources Management
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Ecosystems Approach to Water Resources Management

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Environmental Sustainability and Applications".

Deadline for manuscript submissions: closed (30 June 2019) | Viewed by 9217

Special Issue Editor

Dr. A. Pouyan Nejadhashemi

E-Mail Website
Guest Editor
Michigan State University, USA
Interests: Ecohydrology; Sensitivity and uncertainty analysis of water quality mitigation approaches to address climate change; Environmental impact assessment; Soft computing applications in water resources; Development of decision support systems (DSSs) for the evaluation of human impact on ecosystem sustainability; Evaluation and development of watershed/water quality models
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In the past, only human uses of water—including consumption, navigation, and industrial processes—were the goals of water resources management. The expansion of this definition has led to the emergence of the ecosystem approach, in which the interests of natural resources are included in addition to human uses. Unresolved issues associated with the ecosystem approach that will be further studied in this Special Issue include: (1) choosing the specific parameters and goals of ecosystem-based water resources management and (2) determining the appropriate geographical scale and boundaries for ecosystem-based management.

Prof. A. Pouyan Nejadhashemi
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. Sustainability is an international peer-reviewed open access semimonthly 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 2400 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

  • Ecohydrology
  • Ecohydraulics
  • Integrated Management
  • Water Resources
  • Natural Resources
  • Decision Making
  • Stream Health.

Published Papers (2 papers)

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Research

24 pages, 6270 KiB  
Article
Multi-Scale Assessment of Relationships between Fragmentation of Riparian Forests and Biological Conditions in Streams
by Yirigui Yirigui, Sang-Woo Lee and A. Pouyan Nejadhashemi
Sustainability 2019, 11(18), 5060; https://doi.org/10.3390/su11185060 - 16 Sep 2019
Cited by 9 | Viewed by 2645
Abstract
Due to anthropogenic activities within watersheds and riparian areas, stream water quality and ecological communities have been significantly affected by degradation of watershed and stream environments. One critical indicator of anthropogenic activities within watersheds and riparian areas is forest fragmentation, which has been [...] Read more.
Due to anthropogenic activities within watersheds and riparian areas, stream water quality and ecological communities have been significantly affected by degradation of watershed and stream environments. One critical indicator of anthropogenic activities within watersheds and riparian areas is forest fragmentation, which has been directly linked to poor water quality and ecosystem health in streams. However, the true nature of the relationship between forest fragmentation and stream ecosystem health has not been fully elucidated due to its complex underlying mechanism. The purpose of this study was to examine the relationships of riparian fragmented forest with biological indicators including diatoms, macroinvertebrates, and fish. In addition, we investigated variations in these relationships over multiple riparian scales. Fragmentation metrics, including the number of forest patches (NP), proportion of riparian forest (PLAND), largest riparian forest patch ratio (LPI), and spatial proximity of riparian forest patches (DIVISION), were used to quantify the degree of fragmentation of riparian forests, and the trophic diatom index (TDI), benthic macroinvertebrates index (BMI), and fish assessment index (FAI) were used to represent the biological condition of diatoms, macroinvertebrates, and fish in streams. PLAND and LPI showed positive relationships with TDI, BMI, and FAI, whereas NP and DIVISION were negatively associated with biological indicators at multiple scales. Biological conditions in streams were clearly better when riparian forests were less fragmented. The relationships of NP and PLAND with biological indicators were stronger at a larger riparian scale, whereas relationships of LPI and DIVISION with biological indicators were weaker at a large scale. These results suggest that a much larger spatial range of riparian forests should be considered in forest management and restoration to enhance the biological condition of streams. Full article
(This article belongs to the Special Issue Ecosystems Approach to Water Resources Management)
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26 pages, 671 KiB  
Article
Determinants and Values of Willingness to Pay for Water Quality Improvement: Insights from Chia Lagoon, Malawi
by Rodgers Makwinja, Ishmael Bobby Mphangwe Kosamu and Chikumbusko Chiziwa Kaonga
Sustainability 2019, 11(17), 4690; https://doi.org/10.3390/su11174690 - 28 Aug 2019
Cited by 41 | Viewed by 6305
Abstract
Water resources in the Chia lagoon in Malawi experience a possible threat to sustainability. Communities are seeking alternatives to improve water quality in the lagoon. This study quantified the communities’ willingness-to-pay (WTP) and their influencing factors while using contingent valuation (CV) techniques. A [...] Read more.
Water resources in the Chia lagoon in Malawi experience a possible threat to sustainability. Communities are seeking alternatives to improve water quality in the lagoon. This study quantified the communities’ willingness-to-pay (WTP) and their influencing factors while using contingent valuation (CV) techniques. A wide range of data collection procedures, including focus group discussions, key informant interviews, field observation, and CV survey, were employed. A sample of 300 households was randomly selected. The CV results showed that 57.4% of the households were willing to pay. The monthly individual aggregate WTP amount ranged from MK696.83 (US$0.95) to MK81697 (US$111.38), and on average MK7870.45 (US$10.73), generating aggregate annual values ranging from MK6, 689,568 (US$9126.29) to MK784, 294,080 (US$1,069,978), and on average MK75,556,320 (US$103,078) (ceteris paribus). Logistic regression model demonstrated a significant (p < 0.01 or p < 0.05) relationship between demographic (gender, age, literacy level), social-economic (land ownership, main agriculture water source, and income), and institutional (civic education and social network, extension, institutional trust, household socio trust) factors and WTP. The findings from this study provide significant clues for further research and baseline information for local government and communities in the development of more effective and holistic approaches for improving water quality in natural ecosystems. Full article
(This article belongs to the Special Issue Ecosystems Approach to Water Resources Management)
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