Water Management to Protect Aquatic Ecosystems Function and Health in the Face of Climate Change

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Water Resources Management, Policy and Governance".

Deadline for manuscript submissions: closed (31 December 2020) | Viewed by 6057

Special Issue Editor


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Guest Editor
Stockholm Environment Institute, Bogota, Colombia
Interests: WEAP, water sector, aquatic ecosystems, integrated Water resources management

Special Issue Information

Dear Colleagues,

Over the past decade, numerous articles have been published on the potential impacts of climate change on the world’s aquatic ecosystems. A list of citations would surpass the word limit of this summary. It is fair to say, however, that these papers have focused largely on how changes in hydrologic conditions, sometimes filtered through water management regimes, might exacerbate the global decline in the status of aquatic ecosystems. Less numerous have been articles focused on suggesting specific water managment actions in response to this challenge. This Special Issue seeks to create a venue for such articles. Recognizing the integrated nature of this challenge, papers emerging from collaborations between aquatic ecologists, hydrologists, engineers, economists, and social scientists are particularly welcome.

Specific research questions of interest, filtered through the lens of climate change, might include the following. How can water allocation regimes be adjusted to improve aquatic ecosystem function and health? How can infrastructure operations be adjusted to improve the aquatic ecosystem and its health? How can tradeoffs between aquatic ecosystem function and health and the productive use of water be characterized and balanced? Which stakeholder participation and engagment strategies work best to balance these tradeoffs? Does climate change create heretofore unavailable opportunities for water and aquatic ecosystem management innovation? While these questions may be addressed within specific water management/aquatic ecosystem contexts, authors are encouraged to identify more general policy and practice recomendations.

Dr. David Purkey
Guest Editor

Manuscript Submission Information

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Keywords

  • Freshwater ecosystems
  • Aquatic ecosystem function
  • Water management impacts on aquatic ecosystems
  • Water management under climate change
  • Multi-objective decision making
  • Decision making under uncertainty

Published Papers (2 papers)

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Research

15 pages, 1598 KiB  
Article
An Initial Framework for Understanding the Resilience of Aquifers to Groundwater Pumping
by África de la Hera-Portillo, Julio López-Gutiérrez, Beatriz Mayor, Elena López-Gunn, Hans Jørgen Henriksen, Ryle Nørskov Gejl, Pedro Zorrilla-Miras and Pedro Martínez-Santos
Water 2021, 13(4), 519; https://doi.org/10.3390/w13040519 - 17 Feb 2021
Cited by 4 | Viewed by 2454
Abstract
Groundwater stored in aquifers experiences a wide variety of natural, induced and/or anthropogenic disturbances. Among them, groundwater extraction is the main disturbance that affects most of the aquifers in the world. Aquifer’s resilience, understood as the potential of the aquifer to sustain disturbances [...] Read more.
Groundwater stored in aquifers experiences a wide variety of natural, induced and/or anthropogenic disturbances. Among them, groundwater extraction is the main disturbance that affects most of the aquifers in the world. Aquifer’s resilience, understood as the potential of the aquifer to sustain disturbances on the long term and to guarantee essential qualities and functions, provides a key tool when assessing sustainable groundwater management alternatives. The aim of this work is to illustrate an aquifer resilience framework that can support groundwater sustainable management. A theoretical framework is based on the identification of the key variables that parameterize the quantitative and qualitative responses of the groundwater flow system to pumping. An example from the literature based in Denmark is provided as an illustration of the proposed framework. The results show that long-term high quality data are essential to make a step further in aquifers dynamic responses. The quantitative understanding of the aquifer’s behavior before, during and after groundwater extraction provides a valuable source of information in order to identify thresholds of change (tipping points, transitions or regime shifts) which could permit pro-active groundwater management decisions. Moreover, a deeper understanding on the aquifer’s dynamics provides useful information in order to avert threats that may put the sustainability of the system at risk. Full article
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14 pages, 20559 KiB  
Article
Benthic Resource Baseline Mapping of Cakaunisasi and Yarawa Reef Ecosystem in the Ba Region of Fiji
by Ashneel Ajay Singh, Anish Maharaj and Priyatma Singh
Water 2021, 13(4), 468; https://doi.org/10.3390/w13040468 - 11 Feb 2021
Cited by 1 | Viewed by 3132
Abstract
Coastal habitats form a critical source of livelihood for a large number of inhabitants in Fiji. The absence of historical and baseline information creates a significant challenge in effectively designing suitable management plans. This study aimed at developing reliable benthic cover maps of [...] Read more.
Coastal habitats form a critical source of livelihood for a large number of inhabitants in Fiji. The absence of historical and baseline information creates a significant challenge in effectively designing suitable management plans. This study aimed at developing reliable benthic cover maps of village intertidal resource harvest areas (Cakaunisasi and Yarawa reefs) and anthropogenic perceptions of Votua Village in the Ba region of Fiji for better resource management planning and monitoring. Images captured by the WorldView2 satellite were used as a base for mapping out the resources. Data logging on-site, Global Positioning System (GPS) recordings, local interviews and high-resolution video capturing were utilised for ground-truthing techniques. Six classes of benthic cover were identified, which included algae, coral, sand and gravel, buried reef, coral rubble and seagrass. Accuracy assessment and supervised classification were done using ground reference points. There was an existing marine protected area (MPA) on the Yarawa reef, which did not seem to be working as well as anticipated by observing the habitat maps of the two reefs. Baseline maps constructed here and possibly ecosystem maps can allow for monitoring of the existing MPA as well as the formation of a new and more informed MPA. The maps generated in this study serve as baseline information about resource distribution on Cakaunisasi and Yarawa reefs to inform management decisions. Full article
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