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Analysis of Unconventional Oil and G...

Ankeny, Joshua.

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Analysis of Unconventional Oil and Gas Impacts on Downstream Fish Assemblages and Physiological Stress.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Analysis of Unconventional Oil and Gas Impacts on Downstream Fish Assemblages and Physiological Stress./
Author:	Ankeny, Joshua.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2019,
Description:	83 p.
Notes:	Source: Masters Abstracts International, Volume: 81-11.
Contained By:	Masters Abstracts International81-11.
Subject:	Ecology. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=27792293
ISBN:	9781392491119

Analysis of Unconventional Oil and Gas Impacts on Downstream Fish Assemblages and Physiological Stress.
Ankeny, Joshua.

Analysis of Unconventional Oil and Gas Impacts on Downstream Fish Assemblages and Physiological Stress. - Ann Arbor : ProQuest Dissertations & Theses, 2019 - 83 p.

Source: Masters Abstracts International, Volume: 81-11.

Thesis (M.S.)--West Virginia University, 2019.

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

Unconventional Oil and Gas (UOG) production has been steadily expanding throughout the mid-Atlantic since 2008. Increased sedimentation, degraded water chemistry and an overall decrease in habitat quality due to UOG is anticipated to negatively impact aquatic inhabitants, a common observation in other stressed landscapes (i.e., mining, agriculture, development). We assessed stream health through both community analysis and physiological parameters (i.e., growth and hematocrit). A before-after-control-impact study uncovered three fish metrics that were significantly different following UOG disturbances. The invertivore-piscivore metric decreased following UOG disturbance (p = 0.045) whereas two benthic metrics saw a surprising increase (p = 0.003 and p = 0.011). Further analysis revealed that fish communities are becoming more uniform as tolerant taxa proliferate through the chronically degraded systems. An ANCOVA alongside a linear mixed effect model failed to find a significant difference between the weight and length of Semotilus atromaculatus residing in both treatment conditions. S. atromaculatus were tested for hematological responses within eleven UOG impacted sites and eight reference sites with a linear mixed effect model. Hematocrit levels were found to be significantly lower in S. atromaculatus residing within UOG impacted streams (p = 0.029). A weak negative correlation (r = -0.397) suggests that as UOG well density increases, resident fish health decreases. Our findings indicate that in systems chronically impaired by anthropogenic stressors, physiological health indicators may provide better insight than community analyses. Additionally, we predict that the steady expansion of horizontal wells could lead to an overall degradation of resident fish populations as they exhibit degraded health. Our findings have potential to shape management practices and establish UOG protocols that protect aquatic environment.

ISBN: 9781392491119Subjects--Topical Terms:

516476
Ecology.
Subjects--Index Terms:

Unconventional oil and gas

Analysis of Unconventional Oil and Gas Impacts on Downstream Fish Assemblages and Physiological Stress.
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500 $a Source: Masters Abstracts International, Volume: 81-11.
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502 $a Thesis (M.S.)--West Virginia University, 2019.
506 $a This item must not be sold to any third party vendors.
520 $a Unconventional Oil and Gas (UOG) production has been steadily expanding throughout the mid-Atlantic since 2008. Increased sedimentation, degraded water chemistry and an overall decrease in habitat quality due to UOG is anticipated to negatively impact aquatic inhabitants, a common observation in other stressed landscapes (i.e., mining, agriculture, development). We assessed stream health through both community analysis and physiological parameters (i.e., growth and hematocrit). A before-after-control-impact study uncovered three fish metrics that were significantly different following UOG disturbances. The invertivore-piscivore metric decreased following UOG disturbance (p = 0.045) whereas two benthic metrics saw a surprising increase (p = 0.003 and p = 0.011). Further analysis revealed that fish communities are becoming more uniform as tolerant taxa proliferate through the chronically degraded systems. An ANCOVA alongside a linear mixed effect model failed to find a significant difference between the weight and length of Semotilus atromaculatus residing in both treatment conditions. S. atromaculatus were tested for hematological responses within eleven UOG impacted sites and eight reference sites with a linear mixed effect model. Hematocrit levels were found to be significantly lower in S. atromaculatus residing within UOG impacted streams (p = 0.029). A weak negative correlation (r = -0.397) suggests that as UOG well density increases, resident fish health decreases. Our findings indicate that in systems chronically impaired by anthropogenic stressors, physiological health indicators may provide better insight than community analyses. Additionally, we predict that the steady expansion of horizontal wells could lead to an overall degradation of resident fish populations as they exhibit degraded health. Our findings have potential to shape management practices and establish UOG protocols that protect aquatic environment.
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650 4 $a Natural resource management. $3 589570
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653 $a Unconventional oil and gas
653 $a Hydraulic fracturing
653 $a Shale gas extraction
653 $a unconventional oil and gas, hydraulic Hematocrit
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653 $a Fisheries management
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