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Abstract (from Nature.com): Globally, our knowledge on lake fisheries is still limited despite their importance to food security and livelihoods. Here we show that fish catches can respond either positively or negatively to climate and land-use changes, by analyzing time-series data (1970–2014) for 31 lakes across five continents. We find that effects of a climate or land-use driver (e.g., air temperature) on lake environment could be relatively consistent in directions, but consequential changes in a lake-environmental factor (e.g., water temperature) could result in either increases or decreases in fish catch in a given lake. A subsequent correlation analysis indicates that reductions in fish catch was less likely...
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Inland fisheries are critical for global food security and human well-being. However, fish production may be threatened by changes in climate and land use. Understanding this threat is crucial to effectively manage inland fisheries in the future. To address this need, this project will identify which types of lakes across the globe are most vulnerable to the impacts of climate and land use changes. Lakes will be categorized based on their depth, vulnerability to food insecurity, and vulnerability to water insecurity – variables which can all influence how detrimental climate and land use change will actually be on a lake. This information will be used to predict how inland fisheries production might change under...
In one of the largest compilations of inland-lake-fisheries time series to date (31 lakes spanning five continents from 1970 to 2014), we sought to identify generalities regarding how inland fisheries respond to forecasted climate and land use changes. Perhaps not surprisingly given the diversity of inland lakes and fisheries, we reported that fish catches can either respond positively or negatively to these forecasted changes, through a variety of pathways. One key factor that positively correlated with vulnerability to a 25% reduction in fish catch was lower access to clean water. If future research can further demonstrate this linkage, it would provide a strong argument to policy makers that investments in clean...
Coral reefs provide numerous ecosystem goods and services critical to human well-being (e.g., protection from storms and floods, food, income, recreation, and cultural practices), but those ecosystems are under serious threat due to growing human pressures, including overfishing, land-based pollution, and global climate change. Managers facing complex problems require decision-support tools that can guide costeffective action across the entire watershed, from ridge to reef. This project built a pilot tool for coral reef management that can map, assess, and value key goods and services from the reef environment. It provides important information to managers on the areas supplying the most value to humans, as well...
    map background search result map search result map Evaluating Future Effects of Climate and Land Use on Fisheries Production in Inland Lakes Evaluating Future Effects of Climate and Land Use on Fisheries Production in Inland Lakes