Pathways between Primary Production and Fisheries Yields of Large Marine Ecosystems
Open Access
- 20 January 2012
- journal article
- research article
- Published by Public Library of Science (PLoS) in PLOS ONE
- Vol. 7 (1), e28945
- https://doi.org/10.1371/journal.pone.0028945
Abstract
The shift in marine resource management from a compartmentalized approach of dealing with resources on a species basis to an approach based on management of spatially defined ecosystems requires an accurate accounting of energy flow. The flow of energy from primary production through the food web will ultimately limit upper trophic-level fishery yields. In this work, we examine the relationship between yield and several metrics including net primary production, chlorophyll concentration, particle-export ratio, and the ratio of secondary to primary production. We also evaluate the relationship between yield and two additional rate measures that describe the export of energy from the pelagic food web, particle export flux and mesozooplankton productivity. We found primary production is a poor predictor of global fishery yields for a sample of 52 large marine ecosystems. However, chlorophyll concentration, particle-export ratio, and the ratio of secondary to primary production were positively associated with yields. The latter two measures provide greater mechanistic insight into factors controlling fishery production than chlorophyll concentration alone. Particle export flux and mesozooplankton productivity were also significantly related to yield on a global basis. Collectively, our analyses suggest that factors related to the export of energy from pelagic food webs are critical to defining patterns of fishery yields. Such trophic patterns are associated with temperature and latitude and hence greater yields are associated with colder, high latitude ecosystems.Keywords
This publication has 63 references indexed in Scilit:
- Estimating the Worldwide Extent of Illegal FishingPLOS ONE, 2009
- Novel index for quantification of ecosystem effects of fishing as removal of secondary productionMarine Ecology Progress Series, 2008
- Global fish production and climate changeProceedings of the National Academy of Sciences of the United States of America, 2007
- A comparison of global estimates of marine primary production from ocean colorDeep Sea Research Part II: Topical Studies in Oceanography, 2006
- Growth of marine planktonic copepods: Global rates and patterns in relation to chlorophyll a, temperature, and body weightLimnology and Oceanography, 2003
- Influence of Particulate Organic Carbon Sedimentation within the Seasonal Sea-ice Regime on the Catch Distribution of Northern Shrimp (Pandalus borealis)Journal of Northwest Atlantic Fishery Science, 2000
- Temperature effects on export production in the open oceanGlobal Biogeochemical Cycles, 2000
- Dietary guild structure of the fish community in the Northeast United States continental shelf ecosystemMarine Ecology Progress Series, 2000
- Flux of biogenic carbon in oceans:size-dependent regulation by pelagic food websMarine Ecology Progress Series, 1998
- The Guild Concept And The Structure Of Ecological CommunitiesAnnual Review of Ecology and Systematics, 1991