Fish reproductive-energy output increases disproportionately with body size-Reference-Cited by-同舟云学术

Fish reproductive-energy output increases disproportionately with body size

Published:2018-05-11 Issue:6389 Volume:360 Page:642-645
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Barneche Diego R.¹^ORCID,Robertson D. Ross²,White Craig R.¹^ORCID,Marshall Dustin J.¹^ORCID

Affiliation:

1. Centre for Geometric Biology, School of Biological Sciences, Monash University, Clayton, VIC 3800, Australia.

2. Smithsonian Tropical Research Institute, Balboa, Panama.

Abstract

Big mamas matter for fish The theoretical relationship between reproduction and body size has assumed that total mass relates directly to fecundity, regardless of the number of individuals involved. This assumption leads to fisheries management practices that suggest that one large female fish can be replaced by several smaller females. However, this assumption is incorrect. Barneche et al. show that larger females are far more productive than the same weight's worth of smaller females. Management practices that ignore the value of large females could contribute to unexplained declines seen in some fish stocks. Science , this issue p. 642

Funder

Centre for Geometric Biology

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference243 articles.

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3. Systematic bias in estimates of reproductive potential of an Atlantic cod (Gadus morhua) stock: implications for stockrecruit theory and management

4. BOFFFFs: on the importance of conserving old-growth age structure in fishery populations

5. HETEROGENEITY IN INDIVIDUAL QUALITY AND REPRODUCTIVE TRADE-OFFS WITHIN SPECIES

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