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Cascading Effects of Black Sea Bass,...

Heck, Stephen Matthew,

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Cascading Effects of Black Sea Bass, Centropristis striata, on Bivalves and Interactions With Seagrass Habitat Complexity and Predator Identity /

Record Type:	Electronic resources : Monograph/item
Title/Author:	Cascading Effects of Black Sea Bass, Centropristis striata, on Bivalves and Interactions With Seagrass Habitat Complexity and Predator Identity // Stephen Matthew Heck.
Author:	Heck, Stephen Matthew,
Description:	1 electronic resource (338 pages)
Notes:	Source: Dissertations Abstracts International, Volume: 86-01, Section: B.
Contained By:	Dissertations Abstracts International86-01B.
Subject:	Ecology. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=31296334
ISBN:	9798383191385

Cascading Effects of Black Sea Bass, Centropristis striata, on Bivalves and Interactions With Seagrass Habitat Complexity and Predator Identity /
Heck, Stephen Matthew,

Cascading Effects of Black Sea Bass, Centropristis striata, on Bivalves and Interactions With Seagrass Habitat Complexity and Predator Identity /Stephen Matthew Heck. - 1 electronic resource (338 pages)

Source: Dissertations Abstracts International, Volume: 86-01, Section: B.

Predators are vital to maintaining the healthy functioning and structure of coastal marine ecosystems. Predators can alter the abundance (consumptive effects) and behavior (nonconsumptive effects) of their prey. Both types of predator effects can reduce the foraging pressure of their prey on lower trophic levels. Changes in marine predator abundance can produce cascading effects throughout the food web (trophic cascades). In bays along the coast of the Northwest Atlantic, black sea bass (Centropristis striata) are major predators of many crustaceans that consume bivalves. In recent years, the population of black sea bass in this region has recovered dramatically and continued to grow, with an especially strong increase along the coast of Long Island, New York, in part due to a changing climate. Since nonconsumptive effects have been shown to be equally (or more) as impactful as consumptive effects in driving trophic cascades, this dissertation focused on studying how the nonconsumptive effects of black sea bass influence crustaceans that prey on bivalves, and the indirect effects on bivalve survival. I explored how seagrass habitat complexity influenced these dynamics and identified the predators of certain bivalves in eelgrass meadows.A mesocosm study showed black sea bass presence reduced the proportion of blue mussels (Mytilus edulis) consumed by Say mud crabs (Dyspanopeus sayi) but the strength of these nonconsumptive effects hinged on the proximity of black sea bass to mud crabs. A manipulative field experiment demonstrated that black sea bass presence indirectly increased blue mussel survival in an eelgrass meadow in Shinnecock Bay, New York. Further, mesocosm experiments showed that seagrass dampened but did not eliminate the nonconsumptive indirect effects of black sea bass that increased the survival of blue mussels and bay scallops (Argopecten irradians). Additionally, bay scallops attached higher into the seagrass canopy in the presence of certain predators. Lastly, a field experiment using time-lapse cameras showed that crustaceans were responsible for all predation on blue mussels in an eelgrass meadow, with blue crabs (Callinectes sapidus) dominating. This dissertation highlights empirical data on the cascading nonconsumptive effects of black sea bass and factors influencing these interactions. The data presented here may be important to informing ongoing and future ecosystem-based management as well as efforts to restore bivalve populations.

English

ISBN: 9798383191385Subjects--Topical Terms:

516476
Ecology.
Subjects--Index Terms:

Bivalves

Cascading Effects of Black Sea Bass, Centropristis striata, on Bivalves and Interactions With Seagrass Habitat Complexity and Predator Identity /
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500 $a Source: Dissertations Abstracts International, Volume: 86-01, Section: B.
500 $a Advisors: Peterson, Bradley J.; Gobler, Christopher J. Committee members: Cerrato, Robert M.; Grabowski, Jonathan H.; Tettelbach, Stephen T.
502 $b Ph.D. $c State University of New York at Stony Brook $d 2024.
520 $a Predators are vital to maintaining the healthy functioning and structure of coastal marine ecosystems. Predators can alter the abundance (consumptive effects) and behavior (nonconsumptive effects) of their prey. Both types of predator effects can reduce the foraging pressure of their prey on lower trophic levels. Changes in marine predator abundance can produce cascading effects throughout the food web (trophic cascades). In bays along the coast of the Northwest Atlantic, black sea bass (Centropristis striata) are major predators of many crustaceans that consume bivalves. In recent years, the population of black sea bass in this region has recovered dramatically and continued to grow, with an especially strong increase along the coast of Long Island, New York, in part due to a changing climate. Since nonconsumptive effects have been shown to be equally (or more) as impactful as consumptive effects in driving trophic cascades, this dissertation focused on studying how the nonconsumptive effects of black sea bass influence crustaceans that prey on bivalves, and the indirect effects on bivalve survival. I explored how seagrass habitat complexity influenced these dynamics and identified the predators of certain bivalves in eelgrass meadows.A mesocosm study showed black sea bass presence reduced the proportion of blue mussels (Mytilus edulis) consumed by Say mud crabs (Dyspanopeus sayi) but the strength of these nonconsumptive effects hinged on the proximity of black sea bass to mud crabs. A manipulative field experiment demonstrated that black sea bass presence indirectly increased blue mussel survival in an eelgrass meadow in Shinnecock Bay, New York. Further, mesocosm experiments showed that seagrass dampened but did not eliminate the nonconsumptive indirect effects of black sea bass that increased the survival of blue mussels and bay scallops (Argopecten irradians). Additionally, bay scallops attached higher into the seagrass canopy in the presence of certain predators. Lastly, a field experiment using time-lapse cameras showed that crustaceans were responsible for all predation on blue mussels in an eelgrass meadow, with blue crabs (Callinectes sapidus) dominating. This dissertation highlights empirical data on the cascading nonconsumptive effects of black sea bass and factors influencing these interactions. The data presented here may be important to informing ongoing and future ecosystem-based management as well as efforts to restore bivalve populations.
546 $a English
590 $a School code: 0771
650 4 $a Ecology. $3 516476
650 4 $a Aquatic sciences. $3 3174300
650 4 $a Conservation biology. $3 535736
650 4 $a Biological oceanography. $3 2122748
653 $a Bivalves
653 $a Black sea bass
653 $a Nonconsumptive effects
653 $a Predator-prey
653 $a Trait-mediated interactions
653 $a Trophic cascades
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690 $a 0416
690 $a 0408
690 $a 0792
710 2 $a State University of New York at Stony Brook. $b Marine and Atmospheric Science. $e degree granting institution. $3 3816857
720 1 $a Peterson, Bradley J. $e degree supervisor.
720 1 $a Gobler, Christopher J. $e degree supervisor.
773 0 $t Dissertations Abstracts International $g 86-01B.
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792 $a 2024
856 4 0 $u https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=31296334