Rapid range shift in an introduced tropical marine invertebrate.

Rapid range shift in an introduced tropical marine invertebrate.
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DOI:
10.1371/journal.pone.0078008
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发表时间:
2013
期刊:
影响因子:
3.7
通讯作者:
Moran A
Moran A
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Crickenberger S;Moran A

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这种藤壶原产于下加利福尼亚到秘鲁的海岸线,并已被引入到许多其他地方,包括大西洋美国东南海岸,在2006年首次被记录下来。2009年,美国东南部的球菌瘤分布范围从佛罗里达州的皮尔斯堡向北延伸到北卡罗来纳州的哈特拉斯角,其季节性种群北至北卡罗来纳州的基蒂霍克。在2009/2010年异常寒冷的冬季,由于佛罗里达北部所有监测种群的枯死,球菌瘤分枝杆菌的范围发生了巨大变化。在2010年、2011年和2012年的夏季,我们检查了猪尾蚴的体型、分布和密度,以描述其范围收缩的程度和范围再扩张的速度。2010年,在远至乔治亚州泰比岛(Tybee Island)的北部地区发现了新成员,但在佛罗里达州以北没有发现固定的种群。2011年,在北卡罗来纳州的罗丹斯发现了新成员,但已建立的种群仍然局限于佛罗里达州。到2012年,在北卡罗来纳州罗丹斯建立了种群,略高于之前已知的范围限制。估计2010年和2011年的范围再扩张率分别为255.8公里/年和794.1公里/年。2010年和2011年向北扩张的速度比之前报道的任何海洋物种都要快,并且是热带海洋无脊椎动物中少数公布的速度之一。
The barnacle Megabalanus coccopoma is native to shorelines from Baja California to Peru and has been introduced to a number of other locations including the Atlantic US SE coast, where it was first recorded in 2006. In 2009, the range of M. coccopoma in the SE US extended from Ft. Pierce, FL north to Cape Hatteras, NC with seasonal populations found as far north as Kitty Hawk, NC. During the exceptionally cold winter of 2009/2010, the range of M. coccopoma shifted dramatically due to the dieback of all monitored populations north of Florida. We examined body size, distribution, and density of M. coccopoma during the summers of 2010, 2011, and 2012 to describe the extent of the range retraction and the rate of range re-expansion. In 2010, recruits were found as far north as Tybee Island, Ga, but no established populations were found north of Florida. In 2011 recruits were found at Rodanthe, NC but established populations were still limited to Florida. By 2012 populations were established in Rodanthe, NC, slightly north of its previously known range limit. Estimated rates of range re-expansion were 255.8 km/yr in 2010 and 794.1 km/yr in 2011. Rates of re-expansion to the north in 2010 and 2011 were faster than have previously been reported for any marine species, and are one of the few rates published for any tropical marine invertebrate.
DOI: 10.1111/ele.12129
发表时间: 2013-07
期刊: Ecology letters
影响因子: 8.8
作者:
Bennie J;Hodgson JA;Lawson CR;Holloway CT;Roy DB;Brereton T;Thomas CD;Wilson RJ
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发表时间: 1958-01-01
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期刊: PloS one
影响因子: 3.7
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DOI: 10.1073/pnas.0805801106
发表时间: 2009-04-14
影响因子: 11.1
作者:
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