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Ecological Process in Pattern Genera...

Bilodeau, Stephanie M.

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Ecological Process in Pattern Generation in Tropical Coral-Seagrass Reefscapes.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Ecological Process in Pattern Generation in Tropical Coral-Seagrass Reefscapes./
作者:	Bilodeau, Stephanie M.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2019,
面頁冊數:	126 p.
附註:	Source: Masters Abstracts International, Volume: 80-12.
Contained By:	Masters Abstracts International80-12.
標題:	Ecology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=13865322
ISBN:	9781392213087

Ecological Process in Pattern Generation in Tropical Coral-Seagrass Reefscapes.
Bilodeau, Stephanie M.

Ecological Process in Pattern Generation in Tropical Coral-Seagrass Reefscapes. - Ann Arbor : ProQuest Dissertations & Theses, 2019 - 126 p.

Source: Masters Abstracts International, Volume: 80-12.

Thesis (M.S.)--Wake Forest University, 2019.

This item is not available from ProQuest Dissertations & Theses.

Landscape ecology links pattern to process, and the importance of pattern-producing organisms to ecosystem health and functioning is well established in terrestrial systems. Near-shore tropical marine reefscapes also feature many diverse and easily-observable patterns at the intersection of distinct benthic cover types, including a series of bare sand "halos" around individual coral patches that separate the corals from the darker seagrass or algal beds around them. Halos and similar patterns present an opportunity to examine the interactions of reef-dwelling organisms at multiple spatial scales, from benthic primary producers to macrograzers and the predators that prey on them. Explanations for the phenomenon can be physical, biological, or some combination of both, and the underlying drivers may be impacted by threats like overfishing and global climate change or by local protections. Here, we examine the evidence for several hypotheses regarding halo formation and maintenance and propose an integrated model combining fish distributions, herbivory, and nutrients. We use grazing manipulations to demonstrate the role of reef-centered herbivory in maintaining the halo pattern at Lighthouse Reef Atoll in Belize, and we present a novel underwater camera trap design and demonstrate its potential for long-term monitoring of species behavior, abundance, and distribution.

ISBN: 9781392213087Subjects--Topical Terms:

516476
Ecology.
Subjects--Index Terms:

Camera trap

Ecological Process in Pattern Generation in Tropical Coral-Seagrass Reefscapes.
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500 $a Publisher info.: Dissertation/Thesis.
500 $a Advisor: Silman, Miles R.;Anderson, Michael.
502 $a Thesis (M.S.)--Wake Forest University, 2019.
506 $a This item is not available from ProQuest Dissertations & Theses.
506 $a This item must not be sold to any third party vendors.
520 $a Landscape ecology links pattern to process, and the importance of pattern-producing organisms to ecosystem health and functioning is well established in terrestrial systems. Near-shore tropical marine reefscapes also feature many diverse and easily-observable patterns at the intersection of distinct benthic cover types, including a series of bare sand "halos" around individual coral patches that separate the corals from the darker seagrass or algal beds around them. Halos and similar patterns present an opportunity to examine the interactions of reef-dwelling organisms at multiple spatial scales, from benthic primary producers to macrograzers and the predators that prey on them. Explanations for the phenomenon can be physical, biological, or some combination of both, and the underlying drivers may be impacted by threats like overfishing and global climate change or by local protections. Here, we examine the evidence for several hypotheses regarding halo formation and maintenance and propose an integrated model combining fish distributions, herbivory, and nutrients. We use grazing manipulations to demonstrate the role of reef-centered herbivory in maintaining the halo pattern at Lighthouse Reef Atoll in Belize, and we present a novel underwater camera trap design and demonstrate its potential for long-term monitoring of species behavior, abundance, and distribution.
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650 4 $a Ecology. $3 516476
650 4 $a Biological oceanography. $3 2122748
653 $a Camera trap
653 $a Grazing
653 $a Halos
653 $a Marine herbivores
653 $a Seagrass
690 $a 0329
690 $a 0416
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