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The Transduction of Climate Change in Rocky Intertidal Porcelain Crabs P. cinctipes and P. manimaculus Through Increased Density and Competition.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	The Transduction of Climate Change in Rocky Intertidal Porcelain Crabs P. cinctipes and P. manimaculus Through Increased Density and Competition./
作者:	Sayavong, Nathan.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2022,
面頁冊數:	84 p.
附註:	Source: Masters Abstracts International, Volume: 83-07.
Contained By:	Masters Abstracts International83-07.
標題:	Climate change. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28963276
ISBN:	9798762186889

The Transduction of Climate Change in Rocky Intertidal Porcelain Crabs P. cinctipes and P. manimaculus Through Increased Density and Competition.
Sayavong, Nathan.

The Transduction of Climate Change in Rocky Intertidal Porcelain Crabs P. cinctipes and P. manimaculus Through Increased Density and Competition. - Ann Arbor : ProQuest Dissertations & Theses, 2022 - 84 p.

Source: Masters Abstracts International, Volume: 83-07.

Thesis (M.S.)--California State University, Fresno, 2022.

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

Global change is known to affect species distribution. Understanding the resulting physiological responses of organisms is critical for predicting community composition changes that may occur under current and future conditions. The porcelain crab, Petrolisthes cinctipes, resides in the upper to mid intertidal zone and is expected to respond to rising temperatures by shifting its distribution lower in the cooler intertidal zone, where they will experience higher densities. They will also interact more often with their congener, Petrolisthes manimaculus. In this study, I addressed how increased temperature, increased density, and species interactions (inter- and intra-) impact reproductive physiology in P. manimaculus and P. cinctipes. This was indexed by measuring circulating levels of the yolk protein vitellogenin (Vg). Female crabs were exposed to high-density (1000 crabs/m2) and low-density (333 crabs/m2) treatments with and without the presence of its congeneric species for 7 days. I found that interspecies interactions in high density during emersion caused a downregulation of vitellogenesis in P. cinctipes and P. manimaculus. Together with data from a collaborating study measuring injury and HSP70 expression, these data suggest climate change transduction in the rocky intertidal.

ISBN: 9798762186889Subjects--Topical Terms:

2079509
Climate change.
Subjects--Index Terms:

Competition

The Transduction of Climate Change in Rocky Intertidal Porcelain Crabs P. cinctipes and P. manimaculus Through Increased Density and Competition.
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520 $a Global change is known to affect species distribution. Understanding the resulting physiological responses of organisms is critical for predicting community composition changes that may occur under current and future conditions. The porcelain crab, Petrolisthes cinctipes, resides in the upper to mid intertidal zone and is expected to respond to rising temperatures by shifting its distribution lower in the cooler intertidal zone, where they will experience higher densities. They will also interact more often with their congener, Petrolisthes manimaculus. In this study, I addressed how increased temperature, increased density, and species interactions (inter- and intra-) impact reproductive physiology in P. manimaculus and P. cinctipes. This was indexed by measuring circulating levels of the yolk protein vitellogenin (Vg). Female crabs were exposed to high-density (1000 crabs/m2) and low-density (333 crabs/m2) treatments with and without the presence of its congeneric species for 7 days. I found that interspecies interactions in high density during emersion caused a downregulation of vitellogenesis in P. cinctipes and P. manimaculus. Together with data from a collaborating study measuring injury and HSP70 expression, these data suggest climate change transduction in the rocky intertidal.
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653 $a Reproduction
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