Effects of salinity and feeding on arm regeneration in the starfish Luidia clathrata (Say, 1825) (Echinodermata: Asteroidea)

IF 0.9 4区生物学 Q3 MARINE & FRESHWATER BIOLOGY

Marine and Freshwater Behaviour and Physiology Pub Date : 2019-01-02 DOI:10.1080/10236244.2019.1629296

Nicholas R. Honeycutt, C. Pomory

引用次数: 1

Abstract

ABSTRACT The aim of this study was to determine: (1) salinity that maximizes arm regeneration in the starfish Luidia clathrata; and (2) if low food consumption or low salinity is the cause of the reduced rate of arm regeneration seen at low salinities.. An estimated salinity of 33 g kg−1 produced maximum regeneration of two arms in L. clathrata. This salinity is typically greater than that found in bays that are the usual habitat for the species. Equivalent food consumption by L. clathrata in salinities of 20 g kg−1 and 30 g kg−1 resulted in greater regeneration in salinity of 30 g kg−1, suggesting lower food consumption at low salinities is not the primary reason for lower regeneration. Higher food consumption compared to lower food consumption, both tested in salinity of 30 g kg−1, did not increase regeneration, but resulted in more storage of energy in the pyloric caeca.

查看原文本刊更多论文

盐度和摄食对海星(Luidia clathrata, Say, 1825)臂再生的影响(棘皮目:星形总科)

摘要:本研究的目的是确定:(1)盐度能最大限度地促进海星(Luidia clathrata)手臂再生;(2)如果低食物消耗或低盐度是低盐度下手臂再生率降低的原因。估计盐度为33 g kg - 1时，水草的两臂再生量最大。这种盐度通常比海湾中发现的盐度要高，海湾是该物种通常的栖息地。盐浓度为20 g kg - 1和30 g kg - 1时，L. clathrata的食用量相等，在盐浓度为30 g kg - 1时，其再生能力更强，这表明低盐条件下的食用量较低并不是再生能力较低的主要原因。在盐度为30 g kg - 1的条件下，较高的食物消耗与较低的食物消耗相比，并没有增加再生，但导致幽门caeca中更多的能量储存。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

Marine and Freshwater Behaviour and Physiology 生物-海洋与淡水生物学

CiteScore

2.10

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Marine and Freshwater Behaviour and Physiology is devoted to the publication of papers covering field and laboratory research into all aspects of the behaviour and physiology of all marine and freshwater animals within the contexts of ecology, evolution and conservation. As the living resources of the world’s oceans, rivers and lakes are attracting increasing attention as food sources for humans and for their role in global ecology, the journal will also publish the results of research in the areas of fisheries biology and technology where the behaviour and physiology described have clear links to the contexts mentioned above. The journal will accept for publication Research Articles, Reviews, Rapid Communications and Technical Notes (see Instructions for authors for details). In addition, Editorials, Opinions and Book Reviews (invited and suggested) will also occasionally be published. Suggestions to the Editor-In-Chief for Special Issues are encouraged and will be considered on an ad hoc basis. With the goal of supporting early career researchers, the journal particularly invites submissions from graduate students and post-doctoral researchers. In addition to recognising the time constraints and logistical limitations their research often faces, and their particular need for a prompt review process, accepted articles by such researchers will be given prominence within the journal (see Instructions for authors for details).