Physiological responses of infaunal (Mya arenaria) and epifaunal (Placopecten magellanicus) bivalves to variations in the concentration and quality of suspended particles

生物 双壳类 生态学 软体动物
作者
Gregory S Bacon,Bruce A. MacDonald,J. Evan Ward
出处
期刊:Journal of Experimental Marine Biology and Ecology [Elsevier BV]
卷期号:219 (1-2): 105-125 被引量:115
标识
DOI:10.1016/s0022-0981(97)00177-9
摘要

Placopecten magellanicus, an epibenthic scallop species, and Mya arenaria, an infaunal clam species were studied simultaneously to compare their feeding activity and particle selection in response to variations in the quantity and quality of suspended food. These two bivalve species were exposed to four concentrations of seston (1, 3, 7, and 14 mg l−1) at each of three levels of organic quality (25, 50 and 80% POM). Experimental diets consisted of mixtures of microalgae and silica at concentrations typical of those observed in their natural habitats. Clearance rates for both species decreased as the concentration and organic content of the seston increased. Both species have the ability to reject poorer quality inorganic particles, through the production of pseudofaeces, and significantly improve the quality of the particles ingested. The ability to select organic particles over inorganic ones was independent of seston concentration but diminished as the organic content of the seston decreased. When exposed to increasing seston concentrations, scallops reduce clearance rates and increase pseudofaeces production resulting in maximum ingestion rates at approximately 7 mg l−1. Clams also reduce clearance rates as concentration increased but maintain low pseudofaeces rejection rates thus enabling ingestion to continue to increase to at least 14 mg l−1. M. arenaria appears to be better suited than P. magellanicus to ingest organic material at higher concentrations of low quality seston.
最长约 10秒,即可获得该文献文件

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
PDF的下载单位、IP信息已删除 (2025-6-4)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
刚刚
1秒前
wanci应助zixuanzhong采纳,获得10
1秒前
MrTStar发布了新的文献求助10
2秒前
小刘医生完成签到,获得积分10
3秒前
loski发布了新的文献求助10
3秒前
3秒前
高高菠萝完成签到 ,获得积分10
4秒前
卡卡西完成签到,获得积分10
4秒前
mark发布了新的文献求助10
5秒前
7秒前
传奇3应助Xw采纳,获得10
8秒前
9秒前
9秒前
别闹闹发布了新的文献求助10
12秒前
幸运星发布了新的文献求助10
12秒前
CipherSage应助mark采纳,获得10
14秒前
pluto应助从容的香菇采纳,获得10
14秒前
科研通AI5应助cccyq采纳,获得10
15秒前
科研狗完成签到,获得积分10
17秒前
英俊的铭应助gs19960828采纳,获得10
18秒前
MrTStar完成签到 ,获得积分10
20秒前
淡定的惜完成签到,获得积分20
23秒前
完美世界应助fengliurencai采纳,获得10
28秒前
思源应助大面包采纳,获得10
29秒前
sandra完成签到 ,获得积分10
30秒前
iris601完成签到,获得积分10
32秒前
时笙发布了新的文献求助30
34秒前
温柔的迎荷完成签到,获得积分10
36秒前
量子星尘发布了新的文献求助10
38秒前
39秒前
39秒前
传奇3应助快乐一江采纳,获得10
40秒前
传统的纸飞机完成签到 ,获得积分10
40秒前
40秒前
40秒前
王子安应助lilila666采纳,获得10
42秒前
大面包发布了新的文献求助10
43秒前
情怀应助漫山采纳,获得10
44秒前
zzz完成签到,获得积分10
45秒前
高分求助中
A new approach to the extrapolation of accelerated life test data 1000
ACSM’s Guidelines for Exercise Testing and Prescription, 12th edition 500
‘Unruly’ Children: Historical Fieldnotes and Learning Morality in a Taiwan Village (New Departures in Anthropology) 400
Indomethacinのヒトにおける経皮吸収 400
Phylogenetic study of the order Polydesmida (Myriapoda: Diplopoda) 370
基于可调谐半导体激光吸收光谱技术泄漏气体检测系统的研究 350
Robot-supported joining of reinforcement textiles with one-sided sewing heads 320
热门求助领域 (近24小时)
化学 材料科学 医学 生物 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 遗传学 基因 物理化学 催化作用 冶金 细胞生物学 免疫学
热门帖子
关注 科研通微信公众号,转发送积分 3989406
求助须知:如何正确求助?哪些是违规求助? 3531522
关于积分的说明 11254187
捐赠科研通 3270174
什么是DOI,文献DOI怎么找? 1804901
邀请新用户注册赠送积分活动 882105
科研通“疑难数据库(出版商)”最低求助积分说明 809174