Invasive Species Among Greatest Threats To Great Lakes Ecosystem: Canadian Official

Stephen Joyce

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Invasive Species Among Greatest Threats To Great Lakes Ecosystem: Canadian Official

机译：加拿大大湖生态系统面临的最大威胁中的入侵物种

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Changes stemming from the introduction of non-native species are a major threat to the Great Lakes ecosystem and are getting worse, a Canadian official said Oct. 4. Since 1839 a total of 185 invasive species have been identified in the Great Lakes, and at least 30 percent of those have had moderate to significant environmental impacts on the Great Lakes ecosystem, Nancy Stadler-Salt, Great Lakes program coordinator at Environment and Climate Change Canada, told a conference in Toronto. "Invasive species are one of the greatest threats to biodiversity in the Great Lakes region," the Canadian environmental official said. Invasive species have deteriorated water quality, disrupted the ecosystem's food web and degraded the basin's habitat, she said. The findings will be included in a State of the Great Lakes report the U.S. and Canadian governments expect to release in early 2017, the first comprehensive environmental analysis of the water bodies since 2011. Highlights of findings that will be in the 2017 report were discussed at the conference Oct. 4.

机译：加拿大官员于10月4日表示，由于引进非本地物种而引起的变化是对五大湖地区生态系统的主要威胁，并且这种情况正在加剧。自1839年以来，五大湖地区已经发现了185种入侵物种。加拿大环境与气候变化组织大湖区项目协调员南希·斯塔德勒-萨尔特（Nancy Stadler-Salt）在多伦多的一次会议上说，其中至少有30％对大湖区生态系统产生了中度至严重的环境影响。加拿大环境官员说：“入侵物种是大湖地区生物多样性的最大威胁之一。”她说，外来入侵物种使水质恶化，破坏了生态系统的食物网，并使流域的栖息地退化。研究结果将被纳入美国和加拿大政府预期于2017年初发布的大湖州报告中，这是自2011年以来的水体的首次全面环境分析。会议于10月4日举行。

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《Environment reporter》 |2016年第40期|2885-2886|共2页
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Stephen Joyce;
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机译：引言经过十四年的开展系统工作，从1996年到2010年，在南卡罗来纳州南卡罗来纳州圣卡塔琳娜州境内开展，在南美洲南锥体所谓的大西洋坡（agudo-padrón， 2008a），编制了大陆（陆地和淡水）和海洋软体动物物种的基本清单。除了与众多国家和国际专家不断互动和协商之外，这样的清单主要基于现有文献和/或存放在属于研究中心或环境教育机构的馆藏中的凭证标本的分析。到目前为止（截至2010年第一季度），该清单共包括878个分类群（物种和亚种，包括695种海洋和183种大陆形式），随着实地调查的发生，这些数字可能会增加。在本研究中，报告了作者积极参与最近三次涉及海洋和大陆软体动物类群的区域野外抽样考察的结果。 I.列入和控制外来入侵物种的官方国家方案从2009年11月开始，圣卡塔琳娜州历史上第一次通过组织“圣卡塔琳娜州”对圣卡塔琳娜州的入侵性异地软体动物物种的存在进行了研究和讨论。由圣卡塔琳娜州官方基金会（Fundaçãomomeio ambiente - FaTma）与Hórus发展与环境保护研究所（InstitutoHórusdeDesenvolvimento eConservaçãoambiental）联合举办的研讨会，主要目标是编制官方州物种清单。到目前为止，已确认共发生了20种异地（外来）形式的软体动物物种，14种腹足纲和6种双壳纲即11种陆生腹足类动物，5种淡水类群（3种腹足动物和2种双壳类动物）和4种海洋双壳类动物。考虑到agudo＆Bleicker（2006a），agudo-padrón（2008b）和agudo-padrón＆Lenhard（2010）的贡献，pallifera sp。 - 其中的分类学决定仍在进行中（Thomé等，2006） - 被列入此类清单。在圣卡塔琳娜州（sC，巴西南部）的这20个软体动物和环境保护中：当前的情况

Invasive Species Among Greatest Threats To Great Lakes Ecosystem: Canadian Official

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