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Relevant bibliographies by topics / Habitat conservation status / Dissertations / Theses

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Dissertations / Theses on the topic 'Habitat conservation status'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Silan, Giulia <1991&gt. "Grassland biodiversity: habitat types, ecological processes and conservation status." Doctoral thesis, Università Ca' Foscari Venezia, 2021. http://hdl.handle.net/10579/20598.

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Under the global change scenario, it is increasingly important to monitor habitat and ecosystem attributes to prevent their loss and degradation. While different approaches have been proposed to achieve this goal, little effort has been devoted in linking the monitoring of habitat attributes with the ecosystem services provided. The present research was aimed at filling this gap by assessing the relationship between environmental and biotic attributes of grassland communities and the provisioning of four ecosystem services (i.e., biodiversity, productivity, climate regulation and pollination).

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2

PINNA, MARIA SILVIA. "Biology and conservation status of Juniperus macrocarpa Sm. in Sardinia." Doctoral thesis, Università degli Studi di Cagliari, 2013. http://hdl.handle.net/11584/266221.

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The present Ph.D. thesis aimed to provide a better understanding of Juniperus macrocarpa and the habitat that it characterizes (Juniperus spp. habitat; European priority habitat) in Sardinian coastal dunes, as well as to achieve results useful to support in situ and ex situ conservation actions. In particular, the specific aims of the thesis were: (1) to analyse morphological variation in seeds of Mediterranean Juniperus taxa (at inter- and intraspecific level) and morphometric differences in J. macrocarpa seeds collected in different populations, seasons and sources; (2) to evaluate the effec

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Sumnall, M. J. "The assessment of habitat condition and conservation status of lowland British woodlands using earth observation techniques." Thesis, Bournemouth University, 2013. http://eprints.bournemouth.ac.uk/21078/.

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The successful implementation of habitat preservation and management demands regular and spatially explicit monitoring of conservation status at a range of scales based on indicators. Woodland condition can be described in terms of compositional and structural attributes (e.g. overstorey, understorey, ground flora), evidence of natural turnover (e.g. deadwood and tree regeneration), andanthropogenic influences (e.g.disturbance, damage). Woodland condition assessments are currently conducted via fieldwork, which is hampered by cost, spatial coverage, objectiveness and repeatability. This projec

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4

Gibbs, Mary Katherine E. "Species Declines: Examining Patterns of Species Distribution, Abundance, Variability and Conservation Status in Relation to Anthropogenic Activities." Thèse, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/23315.

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Humans are modifying the global landscape at an unprecedented scale and pace. As a result, species are declining and going extinct at an alarming rate. Here, I investigate two main aspects of species’ declines: what factors are contributing to their declines and how effective our conservation efforts have been. I assessed one of the main mechanisms for protecting species by looking at the Endangered Species Act (ESA) in the United States. I examined three separate indicators of species declines for different groups of species: range contractions in Canadian imperilled species, declines in abun

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5

Van, Eeden Daniël Greyling. "Aspects of the ecology and conservation status of selected wildlife in and around Tembe Elephant Park, KwaZulu-Natal, South Africa." Connect to this title online, 2005. http://upetd.up.ac.za/thesis/available/etd-03232007-095314/.

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6

Eberle, Dirk. "The geometric tortoise (Psammobates geometricus) in a fragmented habitat along a national highway : status and mitigation." Thesis, Stellenbosch : Stellenbosch University, 2003. http://hdl.handle.net/10019.1/53639.

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Thesis (MSc)--Stellenbosch University, 2003.<br>ENGLISH ABSTRACT: The geometric tortoise, Psammobates geometricus, found in the Western Cape, South Africa, is one of the world's rarest tortoises. At present, it is only known from five isolated geographical areas, one being the Worcester-Tulbagh Valley. The primary aims of my study were to determine the status of geometric tortoise subpopulations along the Nl highway in the Worcester Valley, to determine the population structure of these subpopulations and, if necessary, to provide recommendations for the mitigation ofNI highway-induced

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Maciejewski, Lise. "Reconnaissance et dynamique récente des habitats forestiers dans le contexte de la Directive Habitats-Faune-Flore." Electronic Thesis or Diss., Paris, AgroParisTech, 2021. http://www.theses.fr/2021AGPT0001.

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En 1992 en Europe, grâce à la Directive Habitats-Faune-Flore, les habitats naturels sont devenus des objets à conserver au même titre que les espèces, élargissant ainsi le domaine d’actions des politiques publiques à un autre niveau d’organisation de la biodiversité. Mais la reconnaissance tardive de leur valeur de conservation, ainsi que des lacunes dans leurs définitions sont en partie responsables de l’absence de séries temporelles de données sur les habitats à l’échelle nationale. Cela limite notre capacité à surveiller et évaluer leur état de conservation, et à adapter les actions de cons

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8

Costa, Alexandra Fernandes. "DistribuiÃÃo espacial e status do peixe-boi marinho Trichechus manatus manatus, (Sirenia: Trichechidae) no litoral leste do estado do CearÃ." Universidade Federal do CearÃ, 2006. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=3226.

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O peixe-boi marinho, Trichechus manatus manatus, Ã um mamÃfero com dieta herbÃvora, e distribuiÃÃo costeira em rios, estuÃrios e Ãguas litorÃneas da Zona Tropical brasileira. No Estado do CearÃ ocorre em duas Ãreas distintas, no extremo dos seus setores leste e oeste. No litoral leste nÃo existe nenhuma Unidade de ConservaÃÃo com abrangÃncia marinha que restrinja os impactos causados ao meio ambiente e Ã populaÃÃo do peixe-boi, tais como urbanizaÃÃo, turismo e ocupaÃÃo de praias, dunas, falÃsias e manguezais. Sendo considerado pela UniÃo Internacional para ConservaÃÃo da Natureza como âespÃcie

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9

Teixeira, Tiago Souto Martins. "Distribuição e conservação de Lonchophylla bokermanni Sazima, Vizotto & Taddei 1978 (CHIROPTERA: Phyllostomidae)." Universidade do Estado do Rio de Janeiro, 2013. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=5227.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>Lonchophylla bokermanniSazima, Vizotto & Taddei, 1978 é uma espécie de morcego nectarívoro de médio porte endêmica do sudeste brasileiro. Pouco se sabe sobre sua biologia e distribuição geográfica, e por isso mesmo é classificada pela União para Conservação da Natureza (IUCN) como Deficiente de Dados. Está, no entanto, na lista brasileira da fauna ameaçada de extinção, sendo considerada Vulnerável por apresentar distribuição restrita, populações pequenas e isoladas, e estar vivenciando uma rápida destruição de seus habitats.Uma d

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10

Zanon, Mariana Santos. "Distribuição, tamanho populacional e conservação de Mimus gilvus (Aves: Mimidae) no Estado do Rio de Janeiro." Universidade do Estado do Rio de Janeiro, 2010. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=1566.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>A extensão da distribuição geográfica e a abundância local se combinam para determinar o tamanho populacional total das espécies. Entretanto, tais atributos são desconhecidos para a maioria das aves. Isso representa um problema para a conservação das espécies, baseada primariamente na manutenção do número e distribuição destas. A União Internacional para a Conservação da Natureza (IUCN), por exemplo, adota a distribuição geográfica e o tamanho populacional como critérios para avaliação de ameaça de extinção de espécies. Mimus gil

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11

Tai, Koon Keung. "Ecological status and conservation value of soft shore habitats in Hong Kong /." access full-text access abstract and table of contents, 2005. http://libweb.cityu.edu.hk/cgi-bin/ezdb/thesis.pl?mphil-bch-b19885970a.pdf.

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Thesis (M.Phil.)--City University of Hong Kong, 2005.<br>"Submitted to Department of Biology and Chemistry in partial fulfillment of the requirements for the degree of Master of Philosophy" Includes bibliographical references (leaves 143-161)

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12

Rahn, Matthew Edward. "Evaluating science and policy : conservation planning and the Endangered Species Act /." For electronic version search Digital dissertations database. Restricted to UC campuses. Access is free to UC campus dissertations, 2005. http://uclibs.org/PID/11984.

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13

Silva, Vasco Manuel Almeida da. "Assessing the relationship between habitats conservation status and ecosystem services in Natura 2000." Doctoral thesis, ISA, 2020. http://hdl.handle.net/10400.5/21197.

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Doutoramento em Engenharia Florestal e dos Recursos Naturais - Instituto Superior de Agronomia. Universidade de Lisboa<br>Natura 2000 is the pan-European network of protected areas and classifies different habitat types, including shrub-grasslands as of conservation interest. The use and management to which these habitat types are subject potentially affect their conservation status and the ecosystem services they generated, including regulating services as carbon storage or wildfire prevention. Wildfire prevention is an important ecosystem service in the Mediterranean region and management pr

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14

Powers, Erik. "Meta-stable states of vegetative habitats in Water Conservation Area 3A, Everglades." [Gainesville, Fla.] : University of Florida, 2005. http://purl.fcla.edu/fcla/etd/UFE0013333.

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15

Jansson, Camilla. "Habitat selection and oviposition of the endangered butterfly Scolitantides orion in Sweden." Thesis, Linköpings universitet, Institutionen för fysik, kemi och biologi, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-94649.

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Detailed knowledge about the habitat requirements of butterflies is vital for successful conservation. The aim of the present study was to examine the habitat requirements of the endangered butterfly Scolitantides orion on 15 sites in Östergötland, Sweden. The requirements of adults and ovipositing females were studied with regard to several environmental variables measured at three scales; small, transect and large scale. The probability of finding adults increased with decreasing tree cover at the small scale, and adult numbers increased with the proportion of bare rock at the large scale. I

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16

Sarin, Camilla. "Habitat utilisation of burnet moths (Zygaena spp.) in southern Sweden: a multi-stage and multi-scale perspective." Thesis, Linköpings universitet, Institutionen för fysik, kemi och biologi, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-19202.

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Three species of burnet moths (Zygaena filipendulae, Z. lonicerae and Z. viciae) were studied on the Baltic island Öland, Sweden, in order to reveal the habitat requirements of different life stages. Larvae were found among a higher cover of their most important host plant, Lotus corniculatus, Trifolium medium/pratense or Vicia spp., than were pupae or imagines, and were also observed on plants larger than randomly examined plants. Imagines actively selected nectar plants of Centaurea and Cirsium, growing in sunny conditions, but other red and violet Asteraceae flowers were also favoured. Pupa

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17

Slack, John Taylor. "A comprehensive methodology for measuring costs and benefits of critical habitat designation under the Endangered Species Act." Thesis, Available online, Georgia Institute of Technology, 2003:, 2003. http://etd.gatech.edu/theses/available/etd-11252003-091701/unrestricted/slackjohnt200311Masters.pdf.

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18

Murdoch, Michelle. "Factors Influencing the Conservation Status Of the Glossy Black-Cockatoo (Calyptorhynchus Lathami Lathami) on the Gold Coast, Queensland." Thesis, Griffith University, 2012. http://hdl.handle.net/10072/366496.

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Calyptorhynchus lathami, the Glossy-black Cockatoo, is a highly specialized monophagous bird feeding only on the cones of Allocasuarina species. Studies elsewhere have shown that C. lathami are restricted by a tight energy budget, forcing them to select high quality food sources, thereby minimizing effort and time in feeding, and resulting in the birds feeding in some trees and ignoring other apparently suitable trees. This specialized feeding habit, in conjunction with recent and ongoing habitat loss, is expected to cause a decline in their population in many localities. This study examined t

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19

Miller, Gilbert David. "Scientists, Uncertainty and Nature, An Analysis of the Development, Implementation and Unintended Consequences of the Northwest Forest Plan." Thesis, Portland State University, 2019. http://pqdtopen.proquest.com/#viewpdf?dispub=13807499.

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<p> The conflict in the Pacific Northwest between competing visions of how federal forests should be managed resulted in a political stalemate in the early 1990s. The Northwest Forest Plan (NWFP) was initiated to resolve the demands for maintaining ecosystem processes and biological diversity with the social and economic needs for timber harvest. The foundation for the plan rested with the development of ecosystem management. The intent of this research is to explore the events which led up to the adoption of the NWFP, how it was implemented by the US Forest Service and Bureau of Land Manageme

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20

Parr, LB. "The status and conservation of shorebird habitat in South-east Tasmania." Thesis, 1988. https://eprints.utas.edu.au/21142/1/whole_ParrLisaBeth1990_thesis.pdf.

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Census data from 11 sites of shorebird habitat in South-east Tasmania from the 1960s, 1970s and 1980s were examined qualitatively and by using analysis of variance techniques. The aim was to establish whether the numbers of shorebirds using these sites as feeding, breeding and roosting habitat had changed over that time period, and to establish whether a relationship existed between observed changes in numbers and habitat alteration and loss at the sites. Of the eight sites monitored intensively during both the 1960s and 1980s sampling periods, the abundance of shorebirds decreased at t

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21

Bridgman, Cara Lin. "Habitat use, distribution and conservation status of the Mikado pheasant (Syrmaticus Mikado) in Taiwan." 2002. http://etd.utk.edu/2002/BridgmanCaraLin.pdf.

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Thesis (Ph. D.)--University of Tennessee, Knoxville, 2002.<br>Title from title page screen (viewed on Feb. 26, 2003). Thesis advisor: Arthur C. Echternacht. Document formatted into pages (xii, 113 p. : ill.) Vita. Includes bibliographical references.

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22

Picone, Andrew Phillip. "Habitat, population structure and the conservation status of Araucaria bidwillii Hook. in the Australian Wet Tropics." Thesis, 2015. https://researchonline.jcu.edu.au/44651/7/44651-picone-2015-thesis.pdf.

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Araucaria bidwillii, commonly known as the bunya pine, is a widely recognised Australian conifer celebrated for its cultural, biogeographic and evolutionary significance. Belonging to the Araucariaceae, one of the oldest surviving families of trees, A. bidwillii is today found only in Far North and South East Queensland. This thesis provides the first quantified assessment of the habitat, population structure, abundance and conservation status of the Mount Lewis subpopulation of A. bidwillii. My objective was to provide life history and ecological data in support of management planning and

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23

Van, Eeden Daniel Greyling. "Aspects of the ecology and conservation status of selected wildlife in and around Tembe Elephant Park, KwaZulu-Natal, South Africa." Diss., 2006. http://hdl.handle.net/2263/23392.

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The present study compared Sand Forest bird assemblages found in a communal land area with that of the Tembe Elephant Park, and determined the habitat preference and status of selected herbivore species within the park. The study forms part of the Maputaland Conservation-based and Integrated Rural Development Programme of the Centre for Wildlife Management from the University of Pretoria and is linked to the activities of the Lubombo Transfrontier Conservation Area (LTFCA). The main purpose of the study was to compare Sand Forest bird assemblages found in the Tshanini Community Conservation Ar

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24

Richards, Jeffrey Edwards. "Distribution, habitat, and conservation status of muskrats (Ondatra zibethicus) along the Canadian river drainage of the northern Texas panhandle." 2007. http://digital.library.okstate.edu/etd/umi-okstate-1018.pdf.

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25

Carvalho, Joana Silva. "Conservation status of the endangered chimpanzee (Pan troglodytes verus) in Lagoas de Cufada Natural Park : (Republic of Guinea-Bissau)." Doctoral thesis, 2014. http://hdl.handle.net/10451/15968.

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Tese de doutoramento, Biologia (Ecologia), Universidade de Lisboa, Faculdade de Ciências, 2014<br>In the last decades, primate populations have suffered great demographic declines due to several anthropogenic causes, and an immediate reclassification of chimpanzees to a status of ‘‘critically endangered’’ has been recommended. The western chimpanzee, Pan troglodytes verus, has been classified as “endangered” on the IUCN Red List since 1988, and information on the population status and ecology of the subspecies for Guinea-Bissau is scant. This dissertation aimed to assess population density and

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26

Khan, Ahmad. "Habitat status and hunting pressure on migratory cranes in Pakistan and assessment of lake Ab-i-Estada in Afghanistan with proposed conservation plans for selected wetlands." 2004. http://catalog.hathitrust.org/api/volumes/oclc/54495129.html.

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Thesis (M.S.)--University of Wisconsin--Madison, 2004.<br>Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 199-214).

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27

Iglecia, Monica Nicole. "Occupancy modeling and strategic habitat conservation for avian species in the southeastern coastal plain of the United States." 2010. http://www.lib.ncsu.edu/resolver/1840.16/6020.

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28

Bellman, Marlene A. "Evaluation of a U.S. West coast groundfish habitat conservation regulation via analysis of spatial and temporal patterns of trawl fishing efforts." Thesis, 2004. http://hdl.handle.net/1957/32142.

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Recent emphasis on linkages between essential fish habitat and fish stock productivity has raised concerns about the management of fishing activities such as trawling, which have the potential to impact fish habitat. Knowing specifically where and how intensively trawl effort has occurred over time provides ecologists with the necessary background for habitat impact and recovery studies, and provides fishery managers with an assessment of how habitat conservation objectives are being met. The objectives of this study were to (1) examine the extent to which the 2000 Pacific Fishery Management

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