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Dissertations / Theses on the topic 'Habitat suitability model'

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Published: 4 June 2021
Last updated: 25 July 2025

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1

Johansson, Maya. "Modelling habitat suitability index for golden eagle." Thesis, Stockholms universitet, Institutionen för naturgeografi, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-197086.

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The aim in this study was to develop a model for the probability of finding active golden eagle nests during their breeding season. It was done by using environmental variables derived from expert models which were tested against empirical data. This resulted in a habitat suitability index (HSI), which in this case is assumed to indicate the probability of active nests of golden eagles. The study was conducted together with the County Administrative Board of Västernorrland with the purpose to improve golden eagle’s ecological status.To develop the model, different combinations of several expla
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2

Kearns, Amy E. "Verifying Manitoba's 1994 draft barred owl habitat suitability index model." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ41660.pdf.

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3

Dine, James. "A habitat suitability model for Ricord's iguana in the Dominican Republic." Connect to resource online, 2009. http://hdl.handle.net/1805/1889.

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Thesis (M.S.)--Indiana University, 2009.<br>Title from screen (viewed on August 27, 2009). Department of Geography, Indiana University-Purdue University Indianapolis (IUPUI). Advisor(s): Jan Ramer, Aniruddha Banergee, Jeffery Wilson. Includes vita. Includes bibliographical references (leaves 47-52).
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4

Burroughs, Virginia. "An Assessment of Habitat Suitability for Pronghorn Populations of the Central Valley Region of California." DigitalCommons@CalPoly, 2013. https://digitalcommons.calpoly.edu/theses/1142.

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Efforts to reintroduce and maintain populations of pronghorn (Antilocapra americana) to the California Central Valley, specifically the Carrizo Plain National Monument (CPNM) and the Mojave Desert (Antelope Valley) portion of Tejon Ranch, have largely been unsuccessful due to dwindling numbers of translocated animals. The objective of this study was to improve upon previous models for the CPNM using aerial survey data and then apply the model to the Tejon Ranch. Aerial survey data collected from 2000-2010 on the CPNM was used to establish “use” and “non-use” areas in the model. Model variables
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5

Gallien, Laure. "Comprendre et prédire l'expansion géographique des espèces végétales invasives dans les Alpes." Thesis, Grenoble, 2013. http://www.theses.fr/2013GRENV062/document.

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Les invasions biologiques, deuxième menace majeure de la biodiversité, pose d'important défis pour la conservation de la biodiversité, et la recherche en éco-évolution. Les espèces invasives ont en effet été étudiées depuis plus de 150 ans, mais nos capacités à prédire leurs présences aujourd'hui et dans le futur reste rudimentaire. Ce problème est principalement dû à la difficulté d'estimer à la fois les composantes biotiques et abiotiques de la niche des espèces invasives, ainsi que leur évolution dans le temps et l'espace. L'objectif de ma thèse a été de travailler sur ces défis en améliora
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6

Thomasson, Victor. "Habitat Suitability Modeling for the Eastern Hog-nosed Snake, 'Heterodon platirhinos', in Ontario." Thèse, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/23322.

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With exploding human populations and landscapes that are changing, an increasing number of wildlife species are brought to the brink of extinction. In Canada, the eastern hog-nosed snake, 'Heterodon platirhinos', is found in a limited portion of southern Ontario. Designated as threatened by the Committee on the Status of Endangered Wildlife in Canada (COSEWIC), this reptile has been losing its habitat at an alarming rate. Due to the increase in development of southern Ontario, it is crucial to document what limits the snake’s habitat to direct conservation efforts better, for the long-term sur
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Alizadeh, Shabani Afshin, and afshin alizadeh@rmit edu au. "Identifying bird species as biodiversity indicators for terrestrial ecosystem management." RMIT University. Mathematical and Geospatial Sciences, 2006. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20061116.161912.

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It is widely known that the world is losing biodiversity and primarily it is thought to be caused by anthropogenic activities. Many of these activities have been identified. However, we still lack a clear understanding of the causal relationships between human activities and the pressures they place on the environment and biodiversity. We need to know how ecosystems and individual species respond to changes in human activities and therefore how best to moderate our actions and reduce the rate of loss of biodiversity. One of the ways to detect these changes is to use indicators of e
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8

Correa-Berger, Bryan P. "Developing a habitat suitability model for the spotted turtle using a hybrid-deductive approach /." Online version of thesis, 2007. http://hdl.handle.net/1850/4494.

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9

O'Leary, Rebecca A. "Informed statistical modelling of habitat suitability for rare and threatened species." Thesis, Queensland University of Technology, 2008. https://eprints.qut.edu.au/17779/1/Rebecca_O%27Leary_Thesis.pdf.

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In this thesis a number of statistical methods have been developed and applied to habitat suitability modelling for rare and threatened species. Data available on these species are typically limited. Therefore, developing these models from these data can be problematic and may produce prediction biases. To address these problems there are three aims of this thesis. The _rst aim is to develop and implement frequentist and Bayesian statistical modelling approaches for these types of data. The second aim is develop and implement expert elicitation methods. The third aim is to apply these novel ap
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10

O'Leary, Rebecca A. "Informed statistical modelling of habitat suitability for rare and threatened species." Queensland University of Technology, 2008. http://eprints.qut.edu.au/17779/.

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In this thesis a number of statistical methods have been developed and applied to habitat suitability modelling for rare and threatened species. Data available on these species are typically limited. Therefore, developing these models from these data can be problematic and may produce prediction biases. To address these problems there are three aims of this thesis. The _rst aim is to develop and implement frequentist and Bayesian statistical modelling approaches for these types of data. The second aim is develop and implement expert elicitation methods. The third aim is to apply these novel ap
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11

Uhmann, Tanys V. "The development of a habitat suitability index model for burrowing owls in southwestern Manitoba and southeastern Saskatchewan." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/MQ62861.pdf.

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12

Tonkovich, Michael J. "Field evaluation of the northern bobwhite habitat suitability index model with implications for the conservation reserve program." Diss., Virginia Tech, 1995. http://hdl.handle.net/10919/38183.

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13

Tonkovich, Michael Joseph. "Field evaluation of the northern bobwhite habitat suitability index model with implications for the conservation reserve program /." This resource online, 1995. http://scholar.lib.vt.edu/theses/available/etd-06062008-162348/.

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14

Buck, Courtney E. "Habitat Suitability Index Model of the Florida Sandhill Crane (Grus canadensis pratensis) in West-Central Florida." Scholar Commons, 2019. https://scholarcommons.usf.edu/etd/7752.

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The Florida Sandhill Crane (Grus canadensis pratensis) is a state threatened endemic subspecies of the Sandhill Crane (Nesbitt & Tacha, 1997). With a population that was estimated at a maximum of 5,000 individuals in 2003 (Nesbitt & Hatchitt, 2008), it is imperative to identify potentially viable habitats, as Florida is rapidly developing. This research develops a Habitat Suitability Index model to determine unsuitable to optimally suitable habitat locations throughout west-central Florida. To do so, six suitability variables based on the crane’s life history were evaluated: Potential nesting
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15

Collier, Jessica J. "Creating a Spatially-Explicit Habitat Suitability Index Model for Lake Sturgeon (Acipenser fulvescens) in the Maumee River, Ohio." University of Toledo / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1525350340081516.

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16

Smith, Richardt John. "Development of a habitat suitability model to determine the potential distribution of Klipspringer (Oreotragus Oreotragus subsp. Oreotragus) in Table Mountain National Park." Thesis, Cape Peninsula University of Technology, 2015. http://hdl.handle.net/20.500.11838/2028.

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Thesis (MTech (Nature Conservation))--Cape Peninsula University of Technology, 2015.<br>The klipspringer (Oreotragus oreotragus subsp. oreotragus) population became extinct on the Cape Peninsula in 1930. Being re-introduced into Table Mountain National Park (TMNP) in 1999 it became one of the species of special conservation concern to monitor in the Park. Most klipspringer territories are known by Park management but the distribution of all potentially suitable habitats for this species in the Park is not known. The main aim of this study is to produce a distribution range map that is represen
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Losee, Michele J. "Habitat Characteristics and Nesting Ecology of Golden Eagles in Arizona." Antioch University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=antioch1563035697672681.

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18

Meyer, Cynthia A. "Evaluating Habitat Vulnerability and Sustainability of Urban Seagrass Resources to Sea Level Rise." Scholar Commons, 2013. http://scholarcommons.usf.edu/etd/4918.

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The seagrass resource provides essential ecosystem functions for many marine species. This research evaluated the vulnerability and sustainability of the seagrass resource in an urbanized area to the effects of sea level rise. The assessment required analysis of information regarding the biogeography of the seagrass resource, and developing a method to model the spatial extent of the suitable habitat for seagrass, and applying the model to predict the implications of simulated sea level rise scenarios on the seagrass resource. Examining the biogeography of the seagrass resource required the
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19

González-Andrés, Cristina. "The role of marine offshore protected areas in protecting large pelagics. Practical case: Cocos Island National Park (Costa Rica)." Doctoral thesis, Universidad de Alicante, 2020. http://hdl.handle.net/10045/115291.

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20

Subalusky, Amanda Lee. "The role of seasonal wetlands in the ecology of the American alligator." [College Station, Tex. : Texas A&M University, 2007. http://hdl.handle.net/1969.1/ETD-TAMU-1640.

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21

Mainella, Alexa Marie. "Comparison of MaxEnt and boosted regression tree model performance in predicting the spatial distribution of threatened plant, Telephus spurge (Euphorbia telephioides)." Miami University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=miami1461880521.

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22

Williams, Alison Kay. "The influence of probability of detection when modeling species occurrence using GIS and survey data." Diss., Virginia Tech, 2000. http://hdl.handle.net/10919/11129.

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I compared the performance of habitat models created from data of differing reliability. Because the reliability is dependent on the probability of detecting the species, I experimented to estimate detectability for a salamander species. Based on these estimates, I investigated the sensitivity of habitat models to varying detectability. Models were created using a database of amphibian and reptile observations at Fort A.P. Hill, Virginia, USA. Performance was compared among modeling methods, taxa, life histories, and sample sizes. Model performance was poor for all methods and species, e
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23

McClafferty, Julie A. "An Assessment of the Biological and Socioeconomic Feasibility of Elk Restoration in Virginia." Thesis, Virginia Tech, 2000. http://hdl.handle.net/10919/31295.

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The biological and socioeconomic feasibility of restoring elk (Cervus elaphus) to Virginia was assessed. Biological feasibility was determined by evaluating habitat suitability for elk while considering potential impacts of elk on existing fauna and flora in Virginia. Suitability was assessed by creating a habitat suitability index (HSI) model that measured the availability and accessibility of open foraging areas and forested cover areas, the availability of permanent water sources, and the degree of fragmentation by roads. Eight areas were identified as potential elk habitat: 1 in Southwe
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24

Potter, Douglass W. "A GIS MODEL FOR APIARY SITE SELECTION BASED ON PROXIMITY TO NECTAR SOURCES UTILIZED IN VARIETAL HONEY PRODUCTION ON FORMER MINE SITES IN APPALACHIA." UKnowledge, 2019. https://uknowledge.uky.edu/forestry_etds/46.

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Beekeepers in Appalachia market varietal honeys derived from particular species of deciduous trees; however, finding places in a mountainous landscape to locate new beeyards is difficult. Site selection is hindered by the high up-front costs of negotiating access to remote areas with limited knowledge of the available forage. Remotely sensed data and species distribution modeling (SDM) of trees important to beekeepers could aid in locating apiary sites at the landscape scale. The objectives of this study are i) using publicly available forest inventory data, to model the spatial distribution o
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Jacobs, Teri A. "Putting the Wild Back into Wilderness: GIS Analysis of the Daniel Boone National Forest for Potential Red Wolf Reintroduction." University of Cincinnati / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1248796842.

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26

Hohler, Deborah Dorothea. "Evaluation of habitat suitability models for elk and cattle." Thesis, Connect to this title online, 2004. http://bibpurl.oclc.org/web/9208.

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27

CIANFRANI, Carmen. "Multi-scale habitat suitability models for the Eurasian otter Lutra lutra." Doctoral thesis, Università degli studi del Molise, 2010. http://hdl.handle.net/11695/66373.

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Durante gli ultimi cinquanta anni, l’areale europeo della lontra euroasiatica (Lutra lutra) si è drammaticamente ridotto. Attualmente la lontra sembra stia recuperando in alcuni paesi europei, ma alcune popolazioni sono ancora frammentate e la specie è tuttora quasi assente dall’ Europa centrale. In Italia la situazione è particolarmente critica, con un piccola popolazione che sopravvive nei bacini merdionali, a sua volta divisa in due nuclei isolati. Promuovere l’espansione delle popolazioni redisidue è di vitale importanza per assicurare il mantenimento della diversità genetica e la persiste
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Bravo, Vinaja Maria Guadalupe. "Evaluation of landscape level habitat characteristics of golden eagle habitat in Northwestern Mexico." Diss., Virginia Tech, 2012. http://hdl.handle.net/10919/39683.

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Golden eagles (Aquila chrysaetos canadensis Linnaeus 1758) are declining in some areas throughout their Nearctic range (Sauer et al. 2011). This reduction is linked to changes in their habitat caused by human activities. Golden eagles inhabit an extensive range of environments (Watson 1997, Kochert et al. 2002). In the American Continent, the golden eagleâ s range encompasses Alaska, Canada, the United States and the Northern and Central portions of Mexico. Northern golden eagle populations migrate during winter to southern grounds, crossing international boundaries of Canada, the US and Mex
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Pereira, Jose Miguel Oliveira Cardoso. "A spatial approach to statistical habitat suitability modeling: The Mt. Graham red squirrel case study." Diss., The University of Arizona, 1989. http://hdl.handle.net/10150/184821.

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Multivariate statistical techniques were applied to the development of habitat suitability models for the Mt. Graham red squirrel, an endangered species. A digital map data base and a geographic information system (GIS) were used to support the analysis and provide input for two logistic multiple regression models. Squirrel presence/absence is the dichotomous dependent variable whose probability the models pretend to predict. Independent variables are a set of environmental factors in the first model, and locational variables in the second case, where a logistic trend surface was developed. Ba
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Ciocheti, Giordano. "Spatial and temporal influences of road duplication on wildlife road kill using habitat suitability models." Universidade Federal de São Carlos, 2014. https://repositorio.ufscar.br/handle/ufscar/1835.

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Made available in DSpace on 2016-06-02T19:30:06Z (GMT). No. of bitstreams: 1 6375.pdf: 3644148 bytes, checksum: 0c523a46402b21e66619abbb9b0c93af (MD5) Previous issue date: 2014-09-05<br>Financiadora de Estudos e Projetos<br>Urban growth and population growth led to the construction of a gigantic road network around the world. This network is responsible for several impacts on fauna, flora and the environment, such as road kill, isolation of populations, facilitating the establishment of invasive species, river siltation, among others. However, although road ecology has advanced recently, the
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Reid, Caroline. "Habitat suitability and behaviour of springbok (Antidorcas marsupialis) at Augrabies Falls National Park, South Africa." Thesis, University of Port Elizabeth, 2005. http://hdl.handle.net/10948/362.

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Habitat selection may be considered a behavioural consequence of an individual actively selecting where it lives or passively persisting in a certain habitat. There are a variety of approaches to assessing habitat selection, including relating densities to predefined habitats and the characteristics of these habitats, measuring the behaviour of animals within predefined habitats in order to assess the relative benefits to the animal and comparing these between habitats, and using optimality theory to allow the animal to provide measures of its preference for particular habitats or patches. Eac
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Aletrari, Elina. "Beyond 2010 : use of habitat suitability models in the re-assessment of the 2010 Biodiversity Target for plant species." Thesis, King's College London (University of London), 2016. http://kclpure.kcl.ac.uk/portal/en/theses/beyond-2010(a77e5ffa-8c5e-413d-9c9b-c4bd1e4a9eb1).html.

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Human activities are placing unprecedented pressure on natural ecosystems, threatening to push many species into extinction. In response to this, a call for a reduction in the current rate of biodiversity loss by 2010 was made and global biodiversity indicators were adopted to monitor progress. Perhaps the best known of these are the Red List Indices, which are based on temporal changes in extinction risk of species assessed for the International Union for Conservation of Nature (IUCN) Red List. In the case of plants, conservation assessments for globally-representative samples of species have
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Dornelles, Sidnei da Silva. "Impactos da duplicação de rodovias : variação da mortalidade de fauna na BR 101 Sul." Universidade Federal de São Carlos, 2015. https://repositorio.ufscar.br/handle/ufscar/7129.

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Submitted by Izabel Franco (izabel-franco@ufscar.br) on 2016-09-12T20:08:21Z No. of bitstreams: 1 TeseSSD.pdf: 4196266 bytes, checksum: 852bdafbbad865e0ccb454503e54e11b (MD5)<br>Approved for entry into archive by Marina Freitas (marinapf@ufscar.br) on 2016-09-13T19:55:41Z (GMT) No. of bitstreams: 1 TeseSSD.pdf: 4196266 bytes, checksum: 852bdafbbad865e0ccb454503e54e11b (MD5)<br>Approved for entry into archive by Marina Freitas (marinapf@ufscar.br) on 2016-09-13T19:55:50Z (GMT) No. of bitstreams: 1 TeseSSD.pdf: 4196266 bytes, checksum: 852bdafbbad865e0ccb454503e54e11b (MD5)<br>Made available
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Adamatti, Daniela Santini. "Contribuições da incorporação de movimentação à modelagem ecológica da distribuição espacial de grupos funcionais de peixes em lago raso subtropical." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2016. http://hdl.handle.net/10183/147043.

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A distribuição espacial dos peixes em ecossistemas aquáticos é dependente de diversos fatores físicos, químicos e biológicos. Os peixes jovens e adultos podem direcionar seu movimento seguindo condições favoráveis no que concerne às condições ambientais e de biomassa de presas e predadores. Dentro desse contexto, o presente trabalho visou analisar as contribuições da incorporação da movimentação à modelagem ecológica baseada em processos, quando estimada a distribuição espacial da biomassa de grupos funcionais de peixes em lago raso subtropical. O movimento é representado através do efeito com
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Voogt, Nina Margaret. "Dietary aspects of establishing a mainland-based colony of the endangered African Penguin (Spheniscus demersus) in St Francis Bay, South Africa." Thesis, Rhodes University, 2014. http://hdl.handle.net/10962/d1013115.

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Cape St Francis, Eastern Cape, has been identified as one of four potential sites for establishing a mainland-based African penguin (Spheniscus demersus) colony. This thesis comprises three main components: a verification of a preparation method for stable isotope samples from penguin feathers; a dietary analysis of the penguins on Bird Island, Algoa Bay, though stable isotope analysis of whole blood and feathers (2012 and 2013); and an estimation of available fish surplus that could potentially support a colony of penguins at Cape St Francis. Each component contributes towards the next, all b
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Syu, Jia-Wen, and 許嘉文. "Study on the Habitat Suitability of River Cross Section via Physical Habitat Simulation Model." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/25618152309842485614.

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碩士<br>義守大學<br>土木與生態工程學系<br>104<br>Due to the effect of climate change and uneven rainfall, main issues of river management focused on the flood control and water resources distribution. There are some weirs or dams built across the river bank without any consideration on the aqua-habitat properties that affected by various factors, such as velocity, depth or river bed materials. Ecological engineering and river ecology conservation became the hot study topics since 2000. In order to meet the requirement of aqua-habitat, “base flow” or “ecological base flow” is proposed as the guidelines during
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Dine, James. "A Habitat Suitability Model for Ricord’s Iguana in the Dominican Republic." Thesis, 2009. http://hdl.handle.net/1805/1889.

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Indiana University-Purdue University Indianapolis (IUPUI)<br>The West Indian iguanas of the genus Cyclura are the most endangered group of lizards in the world (Burton & Bloxam, 2002). The Ricord’s iguana, Cyclura ricordii, is listed as critically endangered by the International Union for Conservation of Nature (IUCN) (Ramer, 2004). This species is endemic to the island of Hispaniola (Figure 1), and can only be found in limited geographic areas (Burton & Bloxam, 2002). The range of this species is estimated to be only 60% of historical levels, with most areas being affected by some level of di
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Yu, Yi-Yin, and 尤薏茵. "Habitat suitability empirical model ofalbacore tuna in the South Atlantic Ocean." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/sef4zs.

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碩士<br>國立臺灣海洋大學<br>環境生物與漁業科學學系<br>107<br>This study developed an empirical habitat suitability model for identifying the optimal habitat of albacore tuna in the South Atlantic Ocean (SAO) by using multisatellite remote sensing data and Taiwanese longline fisheries data between 2009 and 2015. Ageometric mean model with three environmental variables is suggested to be appropriate for explaining the habitat variance of albacore in the SAO. A monthly albacore mean catch per unit effort (CPUE) of larger than 35 individuals/1,000 hooks occurred from April to August and was distributed over 30–40°S. T
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Nunes, Catarina Matos. "Assessment of the seascape suitability along the Iberian Atlantic margin for species exploited by fisheries." Master's thesis, 2021. http://hdl.handle.net/10773/33517.

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One of the most remarkable effects of climate change in marine realm is the shift in the distribution of species. On the other hand, marine ecosystems are also being modified by commercial fisheries (e.g., decline of species with low reproductive rates, alterations in population size structure, habitat loss and decreased habitat quality). Fisheries combined with climate change may cause the redistribution of marine species commercially exploited by fisheries and these changes can cause considerable socio-economic impacts. Therefore, it is crucial to anticipate these changes aiming a sustainabl
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Yen, Kuo-Wei, and 嚴國維. "Establish GIS-based empirical model of habitat suitability for yellowfin tuna in the Western and Central Pacific Ocean." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/51104712429945967204.

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碩士<br>國立臺灣海洋大學<br>環境生物與漁業科學學系<br>98<br>Empirical Habitat Suitability index (HSI) has been widely used to examine the quality of terrestrial animal, but rarely used in highly migratory fish like tuna. In this study, we used GIS technique to establish empirical models of HSI for yellowfin tuna (YFT) in the Western and Central Pacific Ocean (WCPO). Daily catch data from Taiwanese purse seiner fishery during 2003-2007 were aggregated monthly into 1 by 1 degree and then conduct data match process to obtain monthly average values for the multi-environmental factors, including sea surface temperature
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HUNG, I.-CHENG, and 洪懿成. "Habitat suitability empirical model of albacore tuna in the North Pacific Ocean using multi-satellite remote sensing data." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/pumcq4.

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碩士<br>國立臺灣海洋大學<br>環境生物與漁業科學學系<br>105<br>Empirical habitat suitability index was widely used to detect the habitat variance of marine species in last two decades. Albacore, Thunnus alalunga, is a highly migratory species of important commercial value and widely distribution in three oceans. In this study, the satellite-derived environmental variables, including sea surface temperature (SST), sea surface height anomaly (SSHA), mixed layer depth (MLD), sea surface chlorophyll-a (SSC), eddy kinetic energy (EKE), were used to combine with catch data collecting from Taiwanese longline fisheries duri
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Wang, Gene-Long, and 王駿穠. "Development and Application of Habitat Suitability Index Model for Avian Commmunity -- An application example of avian community from Huisun Experimentation Forest Station." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/48460468831335205291.

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碩士<br>國立中興大學<br>森林學系<br>90<br>Abstract Species spatial distribution, species abundance and habitat suitable index are important information for managing wildlife populations and conserving biodiversity. Therefore, the techniques for evaluating wildlife habitats quantitatively are important tools for Ecosystem Management (EM). the main purpose of this study is to integrate the digital photogrammetry and geographic information system(GIS) technology to present the land-use pattern, digital s
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Vaz, Leandro Alves. "Optimization of estuarine aquaculture exploitation: modelling approach." Doctoral thesis, 2020. http://hdl.handle.net/10773/30411.

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Aquaculture is one of the fastest growing activities worldwide. In 2006, it already accounted for around 40% of total fish consumption, and since 2012, aquaculture is the main source of marine food supplies. However, this strong and fast development of the sector tends to be reflected in significant environmental impacts and new challenges in the management and planning of the coastal areas. In this context, this work intends to contribute to the sustainability of the sector, by identifying preferential locations to ensure aquaculture expansion and proper operation in a sustainable manner
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Kennedy, Bradley. "The new invasive Odontites serotina: impacts, responses and predictive model." 2012. http://hdl.handle.net/1993/5031.

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Invasive alien species (IAS) pose a serious threat to ecosystems and societies worldwide. Local ecological knowledge (LEK) is increasingly valued as a means of understanding environmental issues; however, its application in the context of IAS research has been limited. The overall objective of this study was to document the LEK of farmers and Weed Supervisors to gain insight into a recent IAS, Odontites serotina. I conducted semi-structured interviews with farmers and Weed Supervisors with O. serotina management experience. Results indicated that the socio-economic impacts for farmer
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Mwambo, Francis Molua. "Human and climatic change impact modelling on the habitat suitability for the chimpanzee (Pan troglodytes ellioti) – Case study: The proposed Mount Cameroon National Park." Master's thesis, 2010. http://hdl.handle.net/10362/2734.

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Dissertation submitted in partial fulfilment of the requirements for the Degree of Master of Science in Geospatial Technologies<br>The prediction of species' distribution is fundamental to many applications in ecology, wildlife conservation and the science of evolution. Variations in the abundance within a species' geographic range provide the connection between the disciplines of ecology, geostatistics and biogeography. Species predictive modelling is quite intricate considering the spatial and aspatial variables that both play interactive roles in predicting a species' occurrence. Like many
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Campbell, Karen Lea. "Testing habitat suitability models for Roosevelt elk." Thesis, 1995. http://hdl.handle.net/2429/3764.

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Seasonal habitat suitability models for Roosevelt elk, Cervus elaphus roosevelti, (Brunt 1991) were tested using two distinctly different study areas on northern Vancouver Island, British Columbia. Locations for 5 radio-collared elk, obtained approximately twice per week by telemetry from May 1992 to August 1993, were used to test the models. I used the adaptive kernel method to estimate seasonal home ranges from each elk's locations. Habitat suitability values for summer, mild winter, and severe winter were calculated across each study area on a geographic information system (GIS), usi
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Lockett, Daniel Edwin IV. "A Bayesian approach to habitat suitability prediction." Thesis, 2012. http://hdl.handle.net/1957/28788.

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For the west coast of North America, from northern California to southern Washington, a habitat suitability prediction framework was developed to support wave energy device siting. Concern that wave energy devices may impact the seafloor and benthos has renewed research interest in the distribution of marine benthic invertebrates and factors influencing their distribution. A Bayesian belief network approach was employed for learning species-habitat associations for Rhabdus rectius, a tusk-shaped marine infaunal Mollusk. Environmental variables describing surficial geology and water depth were
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Baisero, Daniele. "The use of habitat suitability models in conservation planning." Doctoral thesis, 2014. http://hdl.handle.net/11573/917226.

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The work of this thesis aims to highlight the contribution that suitability models can give to global scale conservation biology. Four main themes will be approached: Opportunity offered by model improvements; Information added to analyses on current protection status; contribution offered to priority setting; information added to long term efficiency in conservation plans
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Just, Peter. "Entwicklung eines statistischen Habitateignungsmodells zur räumlichen Vorhersage der Vorkommenswahrscheinlichkeit des Wachtelkönigs (Crex crex L.) im Nationalpark Unteres Odertal." Doctoral thesis, 2006. http://hdl.handle.net/11858/00-1735-0000-0006-B32D-E.

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