底栖动物

The impact of organic matter enrichment on benthic chemical properties, microbial communities, and benthos in the estuary

题名： 有机物质蓄积对河口底栖化学性质、微生物群聚，以及底栖动物的冲击

Benthos - animals without backbones, living in or on the sediments, a size large enough to be seen by the unaided eye, and which can be retained by a U.S. Standard No. 30 sieve (28 openings/inch, 0.595-mm openings).

底栖动物-动物的骨干，在生活或沉淀物，一个规模大到足以看出，由无外援的眼睛，以及哪些可以保留，由美国标准第3 0号筛（ 2 8开口/英寸， 0 。595毫米开口）。

A total of 13 macrozoobenthos species were identified, belonging to Crustacea (2 species), Mollusca (3 species), Polychaeta (3 species), and others (5 species).

结果表明：在横沙岛、长兴岛共采集到大型底栖动物13种，分属4个主要类群，其中甲壳动物2种，软体动物3种，环节动物3种，其他动物5种。

Thirty-two species were identified from the samples, including 19 copepods, 3 amphipods, 3 cumaceans, 2 mysids, 2 chaetognaths, 2 cladocerans, and I euphausiid.

共鉴定出底边界层动物32种，其中桡足类19种，端足类3种，涟虫3种，糠虾2种，毛颚类2种，枝角类2种，磷虾1种，可划分为中型浮游动物、大型浮游动物和超底栖动物三个生物类群。

The results showed that the juvenile A. sinensis mainly fed on demersal fish, polychaeta and amphipoda, as well as some small-sized benthic invertebrates including shrimp, crab and bivalve.

结果表明：长江口中华鲟幼鱼以底栖小型鱼类、多毛类和端足类为主要食物，兼食虾类、蟹类及瓣鳃类等小型底栖动物。

Sinonovacula constricta mainly accumulated Pb, Hg and oil, their accumulation levels are 53%, 155% and 171% respectively; Portunus pelagicus accumulated chiefly Zn,Pb and oil, and their accumulation levels are 40%,100% and 205% respectively.

试验底栖甲壳类远海梭子蟹则主要富集淤泥中的Zn、Pb和油类，其累积率分别为40%、100%和205%，对Cu、Cd和Hg累积效应不明显。关键词：淤泥；毒性；海洋底栖动物；累积率

A where enhanced some what through putting in two kinds of zoobenthos as Bellamya purificata and Misgurnus anguillicaudatus in plant cultivated channels of water purification system of hydroponic biofilter method compared with not putting in zoobenthos channel.

在水耕植物过滤法净水系统中的植物栽培廊道中，通过投放2种底栖动物螺蛳和泥鳅延长食物链后，TN、TP、TOC、Chl.a的去除效果均比未投放底栖动物的廊道有所提高。

Fish incubating was correlated with water temperature, dissolved oxygen and water quality.

有研究发现，水草丰富的东太湖底栖硅藻、底栖动物种类与数量和价值高的经济鱼种类与

A total of 17 groups of meiofauna. Free living marine nematodes were the most dominant group.

共鉴定出17个小型底栖动物类群，其中线虫占绝对优势，其平均丰度是1801.82 ind.10cm-2，占小型底栖动物总丰度的95.4%。

Free living marine nematodes were the most dominant group. The average abundance of nematodes was 1801.82 ind.10cm-2, accounting for 95.4% of the abundance of meiofauna, with benthic harpacticoid copepods in the second, accounting for 2.2%.

共鉴定出17个小型底栖动物类群，其中线虫占绝对优势，其平均丰度是1801.82 ind.10cm-2，占小型底栖动物总丰度的95.4%。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。