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Examining the Relationship between S...

Lennox, Preston A., III.

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Examining the Relationship between Species Richness of Fish Communities and Their Biomass in Freshwater Ecosystems.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Examining the Relationship between Species Richness of Fish Communities and Their Biomass in Freshwater Ecosystems./
Author:	Lennox, Preston A., III.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2019,
Description:	142 p.
Notes:	Source: Dissertations Abstracts International, Volume: 81-04, Section: B.
Contained By:	Dissertations Abstracts International81-04B.
Subject:	Ecology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=13901651
ISBN:	9781085679244

Examining the Relationship between Species Richness of Fish Communities and Their Biomass in Freshwater Ecosystems.
Lennox, Preston A., III.

Examining the Relationship between Species Richness of Fish Communities and Their Biomass in Freshwater Ecosystems. - Ann Arbor : ProQuest Dissertations & Theses, 2019 - 142 p.

Source: Dissertations Abstracts International, Volume: 81-04, Section: B.

Thesis (Ph.D.)--University of Lethbridge (Canada), 2019.

This item must not be sold to any third party vendors.

Models used to predict fish biomass in freshwater ecosystems are integral to fisheries management, however, are to date limited to predictions from either chemical (total phosphorus, nitrogen) or physical (morphometric) variables, and do not consider the implications of species and their influence on trophic energy transfer. Here, using empirical data, we first demonstrate that a significant relationship exists between species richness and fish biomass, which behaves similar to models proposed in terrestrial ecosystems. Second, we demonstrate the utility of modern food web analyses to quantify functional richness in freshwater fisheries, and relate functional richness to the species richness-biomass relationship. Finally, we apply this relationship to current models predicting biomass from chemical and physical drivers, and using data compiled from over 500 sites across North America, acquired from both the literature and this project, successfully demonstrate its ability to describe much of the regional variance in existing fish biomass models.

ISBN: 9781085679244Subjects--Topical Terms:

516476
Ecology.

Examining the Relationship between Species Richness of Fish Communities and Their Biomass in Freshwater Ecosystems.
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100 1 $a Lennox, Preston A., III. $3 3540517
245 1 0 $a Examining the Relationship between Species Richness of Fish Communities and Their Biomass in Freshwater Ecosystems.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2019
300 $a 142 p.
500 $a Source: Dissertations Abstracts International, Volume: 81-04, Section: B.
500 $a Advisor: Rasmussen, Jospeh B.
502 $a Thesis (Ph.D.)--University of Lethbridge (Canada), 2019.
506 $a This item must not be sold to any third party vendors.
520 $a Models used to predict fish biomass in freshwater ecosystems are integral to fisheries management, however, are to date limited to predictions from either chemical (total phosphorus, nitrogen) or physical (morphometric) variables, and do not consider the implications of species and their influence on trophic energy transfer. Here, using empirical data, we first demonstrate that a significant relationship exists between species richness and fish biomass, which behaves similar to models proposed in terrestrial ecosystems. Second, we demonstrate the utility of modern food web analyses to quantify functional richness in freshwater fisheries, and relate functional richness to the species richness-biomass relationship. Finally, we apply this relationship to current models predicting biomass from chemical and physical drivers, and using data compiled from over 500 sites across North America, acquired from both the literature and this project, successfully demonstrate its ability to describe much of the regional variance in existing fish biomass models.
590 $a School code: 1112.
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650 4 $a Aquatic sciences. $3 3174300
650 4 $a Environmental science. $3 677245
650 4 $a Limnology. $3 545788
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