Global S&T Development Trend Analysis Platform of Resources and Environment
Healthy Mangroves Help Coral Reef Fisheries Under Climate Stress | |
admin | |
2019-11-13 | |
发布年 | 2019 |
语种 | 英语 |
国家 | 美国 |
领域 | 气候变化 |
正文(英文) | Healthy mangroves can help fight the consequences of climate change on coral reef fisheries, according to a University of Queensland-led study. UQ's Professor Peter Mumby said corals have been bleached and reefs have lost their structural complexity as a major consequence of warming seas. "Many people are worried that -- due to climate change -- reef fishery yields could halve if coral reefs flatten, losing the hiding places that support thousands of fish," he said. "When a young fish arrives at a degraded reef it has nowhere to hide and is easily targeted by predators. "Of course, predators experience the same problem when they're young, so the entire food web becomes unproductive and few fish survive." Despite the alarming trend, the team found mangroves provided a partial solution. "We know that many reef fish can use mangroves as an alternative nursery habitat to the reef," Professor Mumby said. "Mangroves provide a calm, safe environment with plenty of food and allow fish to grow larger before heading out to the reef as adults. "In fact, we discovered that these nurseries could support fisheries productivity that is equal to that in complex reefs that lack nurseries." The researchers from UQ, the ARC Centre of Excellence for Coral Reef Studies and Victoria University of Wellington, compared and validated model predictions with field data from Belize. Victoria University's Dr Alice Rogers said the results should inform reef fisheries management strategies to protect areas now and into the future. "Mangrove nurseries essentially allow some fish to sidestep the challenges of early life on a degraded reef," she said. "These fish then benefit by finding it relatively easy to find food because it has few places to hide. "Mangrove restoration can be important, but in places where that's impossible, future research might examine adapting structures to offer mangrove-like nursery functions. "This would be in environments that either do not support natural mangrove forests or have too large a tidal range to provide stable nursery functions in coastal fringes." Professor Mumby said the protection and restoration of mangrove habitats should remain a priority. "While we need to take every effort to prevent reef degradation, our study reveals that healthy mangrove forests can help buffer the effects of habitat loss on reef fisheries. "It's critical that they need to remain a priority as part of the battle to mitigate climate change impacts on coral reefs and their functioning. "Ultimately, we need to protect intact combinations of mangroves and coral reefs."
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Story Source: Materials provided by University of Queensland. Note: Content may be edited for style and length. Journal Reference:
Cite This Page: University of Queensland. "Healthy mangroves help coral reef fisheries under climate stress." ScienceDaily. ScienceDaily, 13 November 2019.
University of Queensland. (2019, November 13). Healthy mangroves help coral reef fisheries under climate stress. ScienceDaily. Retrieved January 18, 2020 from www.sciencedaily.com/releases/2019/11/191113092557.htm
University of Queensland. "Healthy mangroves help coral reef fisheries under climate stress." ScienceDaily. www.sciencedaily.com/releases/2019/11/191113092557.htm (accessed January 18, 2020).
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URL | 查看原文 |
来源平台 | Science Daily |
文献类型 | 新闻 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/220549 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | admin. Healthy Mangroves Help Coral Reef Fisheries Under Climate Stress. 2019. |
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