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Inland fish populations are a crucial resource to humans and communities around the world. Recreational fishing throughout the United States, for example, provides important revenue to local and state economies; globally, inland fisheries are a vital food source for billions of people. Warming temperatures and changing precipitation patterns, however, are already causing significant changes to fish communities worldwide. Since the mid-1980s, scientists have projected the effects of climate change on inland fish, and in more recent years, documentation of impacts has increased. However, the number of documented impacts of climate change on inland fish remains low. A comprehensive understanding of how climate change...
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Inland fishes provide important ecosystem services to communities worldwide and are especially vulnerable to the impacts of climate change. Fish respond to climate change in diverse and nuanced ways, which creates challenges for practitioners of fish conservation, climate change adaptation, and management. Although climate change is known to affect fish globally, a comprehensive online, public database of how climate change has impacted inland fishes worldwide and adaptation or management practices that may address these impacts does not exist. We conducted an extensive, systematic primary literature review to identify peer-reviewed journal publications describing projected and documented examples of climate change...
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Marine and inland fisheries provide substantial economic, nutritional, recreational, and cultural benefits to human populations globally. Though extensive research and management efforts exist to ensure the sustainability of these important resources, many fisheries still face threats including climate change, habitat degradation, and overfishing. The inland fisheries community often cites that less attention is given to inland fisheries compared to marine but, to date, no quantitative analysis has examined these differences. Our goal is to compare investment and resources allocated to the research and management of marine and inland fisheries relative to their value at a global scale. Through the development of...
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Inland recreational fishing, defined as primarily leisure-driven fishing in freshwaters, is a popular past-time in the USA. State natural resource agencies endeavor to provide high-quality and sustainable fishing opportunities for anglers. Managers often use creel and other angler-survey data to inform state- and waterbody-level management efforts. Despite the broad implementation of angler surveys and their importance to fisheries management at state scales, regional and national coordination among these activities is minimal, limiting data applicability for larger-scale management practices and research. The goal of this project is to develop and implement the U.S. Inland Creel and Angler Survey Catalog (CreelCat),...
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High-resolution river centerlines vector shapefiles has 50 large rivers across the world. This high-resolution layer was generated will enable researchers to identify accurate river length, from headwaters to delta. The polylines could be used in coordination with any satellite-derived environmental or landscape variables for ecological research.
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Inland fisheries make up more than 50% of all food fish in the world. Sustainable inland fisheries can support global economic development by providing food for billions and livelihood for millions of people worldwide. However, it can be difficult to quantitatively track and evaluate the services that inland fisheries provide to communities, which ultimately means that the contributions of this important sector to global development and sustainability are often undervalued. There is a growing body of evidence that suggests inland fisheries have disproportionate importance for impoverished countries. However, the United Nations’ 2030 Agenda for Sustainable Development, and the associated Sustainable Development Goals...
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Increasing temperatures and decreasing precipitation threaten the persistence of the Rio Grande cutthroat trout, the southernmost subspecies of cutthroat trout, found only in parts of New Mexico and Colorado. This subspecies appears to be more vulnerable to drought than more northern subspecies, because it occupies small and fragmented streams which are at greater risk of drying up during drought. Most notably, in 2002 drought in the Southwest resulted in the loss of 14 different Rio Grande cutthroat trout populations – about 10% of the total population. While it is known that drought is having an effect on Rio Grande cutthroat trout, the specific ways in which individuals and populations are affected by drought...
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Climate change represents one of the foremost drivers of ecological change, yet its documented impacts on biodiversity remain uncertain and complex. Although there have been many published studies on species shifting their geographic ranges in response to climate change, it is still challenging to identify the specific mechanisms and conditions that facilitate range shifts in some species and not in others. In addition, it can be difficult to disentangle climate-induced range shifts from other environmental changes which can also result in range shifts (such as changes to land use or habitat). This project attempts to address these knowledge gaps by conducting a systematic literature review of documented cases of...
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The Vietnamese government has committed to climate mitigation and adaptation in support of the Paris Agreement. Implementation of Vietnam’s Nationally Determined Contribution (NDC) to adaptation involves a greater focus on the Mekong River Delta, which is poised to be impacted by sea level rise. Saline intrusion from sea level rise and droughts can affect aquatic ecosystems and the services they provide, including freshwater quantity and quality; aquaculture and fishing; and biodiversity. Saline intrusion has already been observed in the coastal region of the Mekong Delta, including the Soc Trang province, Bac Lieu province, Kiên Giang province, and Cà Mau. Although aquaculture farmers in the region have actively...
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CASC experts are often requested to provide technical assistance to other Federal agencies, including the U.S. Department of State, as well as national and international partners. The U.S. Consulate in Thailand solicited leadership and guidance from the CASCs to help develop community-supported recommendations for increasing resiliency for fishing communities in the Mekong River Basin. Thailand has recently faced historic water shortages and severe drought. Upstream hydropower development in China and Laos, climate change, a year of unusually little rainfall, and historically low and unpredictable Mekong River basin levels may all contribute to the historic water shortages Climate projections suggest increasing...
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Recent changes in climate are having profound effects on many fish and wildlife species, and projections suggest that those trends are likely to continue. Changing climate conditions have the potential to transform ecosystems, which impacts not only fish and wildlife but also human communities, which rely on ecosystems for important goods and services such as food and water filtration. Strategies that are implemented by natural resource managers now have the potential to help minimize the impacts of changing climate conditions on species and ecosystems going forward. However, substantial knowledge gaps remain regarding how species might respond to changes in climate, such as whether these changes will lead to ecosystem...
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The Food and Agriculture Organization of the United Nations (FAO) documents the status and trends of marine fish stocks that represent approximately 80% of global marine catch. These stocks are routinely monitored, and the FAO assessment describes the extent of exploitation against different reference points - such as underfished, sustainable fished, or overfished. Although inland fisheries, which represent 12% of total global capture fishery production, provide important economic and social services, including accessible and affordable high-quality protein to some of the world’s most vulnerable populations, FAO has no comparable system for assessing the state of inland fisheries. This is a critical knowledge gap...
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Fish that are harvested from rivers and lakes play an important role in ensuring global food security. However, data on river fisheries is not collected in any standardized format globally. Although targeted analyses have been conducted on certain river systems, the approaches used, such as intensive field sampling, are not feasible at a global scale. Most river fish are harvested by small-scale operations and in countries that lack the necessary infrastructure and technology that would enable regular reporting of harvests. Therefore, alternative approaches are needed for estimating the harvest potential of river fisheries at a global scale. Given changing climate conditions and the potential impact of these changes...
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Inland recreational fishing, defined as primarily leisure-driven fishing in freshwaters, is a popular past-time which can provide substantial contributions to human consumption which are often overlooked at global scales. Here, we aim to establish a baseline of national inland recreational consumption estimates with species specificity to identify the nutritional composition and total use value of this recreational consumption.
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As the origin of three major basins that drain the Columbia, Missouri, and Saskatchewan rivers, Montana is the hydrologic apex for North America. The Northern Rocky Mountain region is home to some of the last remaining interconnected habitats for many native fishes, including the threatened bull trout and native westslope cutthroat trout. The Northern Rockies are also experiencing rapidly changing climate conditions, with temperatures rising at twice the global average. These changes are having a range of impacts on aquatic ecosystems, including warming stream temperatures and changing streamflow regimes. This region is also experiencing a rise in the expansion of alien invasive fish species, which further threaten...
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Fisheries in the glacial lakes region of the upper Midwest are culturally, economically, and recreationally beneficial. Walleye, for instance, represent an important subsistence food source for some Wisconsin tribal nations and are also popular among recreational anglers. However, predicted ecological changes to these aquatic communities, such as an increase in invasive fish species, a decrease in walleye and other native fishes, and worsening water quality due to increases in temperature and shifts in precipitation, has prompted concern among regional anglers who may abandon certain fisheries as these changes occur. Understanding how changes in climate may affect glacial lakes region fishes, and how fishery managers...
    map background search result map search result map The Effects of Drought on Rio Grande Cutthroat Trout: The Role of Stream Flow and Temperature A Value and Investment Assessment of Marine and Inland Fisheries Globally to Inform Future Resource Management Strategies Fish and Climate Change (FiCli) Database: Informing Climate Change Adaptation and Management Actions for Freshwater Fishes Global Analysis of Trends in Projected and Documented Effects of Climate Change on Inland Fish Global High-Resolution River Centerlines Understanding Climate Impacts on Native and Invasive Fish for Conservation, Management, and Economic Goals in the Northern Rockies Developing Adaptation Strategies for Recreational and Tribal Fisheries in the Upper Midwest Estimating Global River Fisheries Harvest Potential The U.S. Inland Creel and Angler Survey Catalog (CreelCat): A Database and Interactive Tool for Inland Fisheries Management and Research Making an Invisible Resource Visible: Integrating Inland Fisheries into the Sustainable Development Goals Assessing the State of Global Inland Fisheries State of the Science on Ecosystem Transformation Understanding Species' Range Shifts in Response to Climate Change: Results from a Systematic National Review Estimating Global Inland Recreational Consumption to Adapt to Global Change “Climate-Smart” Fisheries and Aquaculture to Support Resilient Aquatic Ecosystems in Vietnam Informing Mekong River Basin Resiliency and Climate Adaptation The Effects of Drought on Rio Grande Cutthroat Trout: The Role of Stream Flow and Temperature “Climate-Smart” Fisheries and Aquaculture to Support Resilient Aquatic Ecosystems in Vietnam Developing Adaptation Strategies for Recreational and Tribal Fisheries in the Upper Midwest Informing Mekong River Basin Resiliency and Climate Adaptation Understanding Climate Impacts on Native and Invasive Fish for Conservation, Management, and Economic Goals in the Northern Rockies The U.S. Inland Creel and Angler Survey Catalog (CreelCat): A Database and Interactive Tool for Inland Fisheries Management and Research State of the Science on Ecosystem Transformation Understanding Species' Range Shifts in Response to Climate Change: Results from a Systematic National Review Global High-Resolution River Centerlines Estimating Global River Fisheries Harvest Potential Estimating Global Inland Recreational Consumption to Adapt to Global Change A Value and Investment Assessment of Marine and Inland Fisheries Globally to Inform Future Resource Management Strategies Fish and Climate Change (FiCli) Database: Informing Climate Change Adaptation and Management Actions for Freshwater Fishes Global Analysis of Trends in Projected and Documented Effects of Climate Change on Inland Fish Making an Invisible Resource Visible: Integrating Inland Fisheries into the Sustainable Development Goals Assessing the State of Global Inland Fisheries