英语翻译The Laguna Madre of Texas experienced an extended,uninte

英语翻译
The Laguna Madre of Texas experienced an extended,uninterrupted bloom of A.lagunensis from December 1989 through October 1997 (Buskey et al.,2001).The bloom began following a period of extended drought,which caused hypersaline conditions.This,in combination with an unusually severe freeze in South Texas,caused a drastic decline in both benthic and planktonic grazers of phytoplankton (Buskey et al.,1997).This decline in grazer populations,along with the ability of A.lagunensis to grow at maximum rates under hypersaline conditions (Buskey et al.,1998),and a large nutrient pulse released by the decomposition of fish killed by the freeze (Whitledge,1993) may have led to the rapid onset of this bloom.Cell densities remained high throughout the bloom,typically 0.5–1 *10 cells ml(Buskey and Stockwell,1993).This dense bloom reduced light penetration to the bottom of this shallow lagoon,and seagrass density declined sharply in waters greater than 1 m depth (Onuf,1996).The Texas brown tide bloom is a prime example of what has recently been termed "ecosystem disruptive algal blooms’’ (EDAPs; Sunda et al.,2006).
Aureoumbra laguensis cells are small (4–5 mmdiameter) and are outside the preferred size range of the dominant copepod in the Laguna Madre,Acartia tonsa (Buskey and Stockwell,1993).However,protozoan grazers feed well on phytoplankton in this size range.Numerous species of protozoa were tested in thelaboratory for their ability to feed and grow on a sole diet of A.lagunensis (Buskey and Hyatt,1995).Of those few species that could survive and grow on it,most grew best at moderate densities ,and showed reduced growth at the high densities characteristic of bloom conditions (Buskey and Hyatt,1995).In mixtures of A.lagunensis with food that supported good growth in a particular protozoan species,the grazers grew slower as the proportion of A.lagunensis increased,even though both cell types were consumed (Jakobsen et al.,2001).In the Laguna Madre,the density of protozoan grazers was
inversely proportional to the density of A.lagunensis (Buskey and Stockwell,1993; Buskey et al.,2001).

德克萨斯州的拉古那母亲的扩展,不间断地经历了一个从a lagunensis盛开的1989年12月通过1997年10月(Buskey苏达权等,2001年).花开开始经过一段时间的延长,导致干旱与高盐环境伴生.这个,结合某特别恶劣的冻结在德州南部大幅度地下降,引起的水底和浮游食草动物都Buskey浮游植物(苏达权等,1997).人口下降的食草动物的能力,随着a lagunensis最高利率增长与高盐环境伴生,(Buskey下苏达权等,1998),和一个大型的养分脉冲释放的鱼被杀的分解(Whitledge冻结,1993)可能导致迅速发生的这青春不谢.细胞密度仍然很高,通常在整个盛开0.5 - 1 * 10毫升Buskey细胞和炸弹,1993).这个厚重盛开减少光的入射底下的浅海峡急剧下降,海草在水密度大于1米深度(Onuf,1996).德克萨斯州布朗潮流青春是一个主要的例子,什么最近被称为“生态系统具有破坏性的藻华”(EDAPs高庆宇,巽他等,2006).
Aureoumbra laguensis细胞是小(4 - 5 mmdiameter)和外的首选大小范围的主导copepod在拉古那母亲,Acartia tonsa(Buskey和炸弹,1993).然而,在原食草动物吃浮游植物在这个大小范围.许多种类的原生动物测试thelaboratory饲料,并为他们的能力上生长的lagunensis独家饮食(Buskey a和凯悦,1995年).这些极少数物种能生存和成长,大多数生长最好,而且显示出以中等密度降低生长在高密度的特点,Buskey盛开条件(凯悦,1995).答:lagunensis在与食物的混合物,支持提供了良好的发展,在某一特定原种类、生长得越慢食草动物的比例增加,a .lagunensis即使这两细胞类型(Jakobsen消耗的苏达权等,2001年).在