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Dissertations / Theses on the topic 'Ecologie des mangroves'

Author: Grafiati

Published: 4 June 2021

Last updated: 29 July 2024

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1

Di, Nitto Diana. "To go with the flow: a field and modelling approach of hydrochorous mangrove propagule dispersal." Doctoral thesis, Universite Libre de Bruxelles, 2010. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210046.

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Mangrove ecosystems thrive in (sub)tropical, intertidal areas where adaptations<p>like vivipary and the hydrochorous dispersal of propagules become an absolute<p>necessity. As propagule dispersal and early growth allow for the replenishment of<p>existing stands and colonization of new habitats, many authors recognize the<p>importance of these stages in structuring mangrove populations and communities.<p>However, when it comes to the actual propagule dispersal and recruitment<p>mechanisms, there is an apparent lacuna in the current understanding of<p>mangrove ecology. The period between the mat

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2

Van, Der Stocken Tom. "Biological and environmental drivers of mangrove propagule dispersal: a field and modeling approach." Doctoral thesis, Universite Libre de Bruxelles, 2015. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209066.

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There are large gaps in the coverage of critical ecological processes related to the movement of individuals or genes (i.e. dispersal), which is critical for determining the spread and persistence of populations across space. In this dissertation we investigate understudied but important aspects of the dispersal process in mangroves, with as the main objective the reduction of parameter and model uncertainty. Models rarely incorporate realism and complexity at the level of emigration, transfer and immigration phases, hampering reliable predictions of dispersal patterns and long-term population

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3

Rahmania, Rinny. "Etude des mangroves à partir de l’analyse des changements dans les images de canopée à très haute résolution spatiale pour une meilleure gestion des côtes indonésiennes." Thesis, Montpellier, 2016. http://www.theses.fr/2016MONTT168/document.

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La situation des mangroves dans le monde reste préoccupante malgré la prise de conscience de leur rôle dans le maintien de la biodiversité côtière. Les pratiques non durables de l’aquaculture extensive sont toujours majoritairement mises en cause. Le besoin d’une meilleure gestion côtière se fait sentir depuis une vingtaine d’années. Il faut reconnaitre que les avancées restent insuffisantes, particulièrement en Indonésie. Ce travail de thèse a été réalisé dans le cadre du projet INDESO. Ses objectifs étaient de décrire les changements dans les mangroves en termes de superficie, de structurati

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4

Nfotabong, Atheull Adolphe. "Impact of anthropogenic activities on the vegetation structure of mangrove forests in Kribi, the Nyong river mouth and Cameroon estuary." Doctoral thesis, Universite Libre de Bruxelles, 2011. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209870.

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Mangroves are intertidal ecosystems found along the tropical and subtropical coastlines.<p>Though globally recognised as ecosystems of ecological, biological and economical<p>remarkable importance, these ecotone formations are characterised by a continuously<p>increasing anthropization. However, very little studies have been focused on the impact of<p>various anthropogenic activities on the mangrove vegetation structure.<p>We have firstly (a) assessed the commercial and subsistence utilization of mangrove<p>wood products in the Littoral region (Cameroon estuary). Then, we have confronted the<p

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5

BARKEY, ROLAND ALEXANDER. "Etudes des mangroves de l'indo-malaisie et application des techniques de la teledetection a sulawesi." Toulouse 3, 1987. http://www.theses.fr/1987TOU30228.

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L'objet de cette recherche est de tenter de caracteriser les mangroves des regions equatoriales humides sur le terrain et a partir d'enregistrements spatiaux. Dans la premiere partie, une synthese biogeographique sur les peuplements de paletuviers permet de faire apparaitre et de comprendre les variations des types de mangroves et de situer les mangroves indonesiennes dans un contexte plus general. La deuxieme partie represente une etude sur les mangroves du golfe de bone a sulawesi (indonesie)

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6

Rajkaran, Anusha. "A status assessment of mangrove forests in South Africa and the utilization of mangroves at Mngazana Estuary." Thesis, Nelson Mandela Metropolitan University, 2011. http://hdl.handle.net/10948/1547.

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In South Africa mangrove forests are located in estuaries from Kosi Bay in KwaZulu-Natal (KZN) to Nahoon Estuary in the Eastern Cape. The aims of this study were to determine the present state of mangroves in KwaZulu-Natal, by assessing the current population structure, the changes in cover over time and associated anthropogenic pressures. A second objective of this study was to determine the effect of harvesting on the population structure and sediment characteristics in the Mngazana mangrove forest. To determine if harvesting was sustainable at Mngazana Estuary; the growth and mortality rate

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7

Soares, Marcelo Steinmetz. "Análise do estado de conservação do manguezal do rio Sergipe." Universidade Federal de São Carlos, 2016. https://repositorio.ufscar.br/handle/ufscar/8676.

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8

Griffin, Lachlan Francis. "Fish as Mosquito Control Agents in Mangroves." Thesis, Griffith University, 2013. http://hdl.handle.net/10072/367242.

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The saltwater mosquito, Aedes vigilax (Skuse), is a major vector of Ross River virus and Barmah Forest virus across sub-tropical and tropical Australia, and poses a significant human health risk, particularly in densely populated areas such as South East Queensland and Northern New South Wales regions of eastern Australia. The insect uses saltmarsh and mangrove basin forests as oviposition and larval habitats, and various mosquito control methods exist that target larval stages. Fish, acting as predators of larvae, have routinely been used as a component of mosquito control strategies worldwid

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9

Tong, Yee-fun Pauline. "Herbivory on the mangrove Kandelia candel (L.) druce in Hong Kong /." Hong Kong : University of Hong Kong, 1998. http://sunzi.lib.hku.hk/hkuto/record.jsp?B20668211.

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10

Soliman, Nabil Zaki Gadalla. "Nutrient dynamics at Matapouri Estuary, Northern New Zealand thesis submitted in (partial) fulfilment of the degree of Master of Applied Science, Auckland University of Technology, June 2004." Full thesis. Abstract, 2004.

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11

Lee, Hoi-ki, and 李凱琪. "The feeding ecology of Littoraria species in Hong Kong mangroves." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B31241943.

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12

Lee, Hoi-ki. "The feeding ecology of Littoraria species in Hong Kong mangroves /." Hong Kong : University of Hong Kong, 2001. http://sunzi.lib.hku.hk:8888/cgi-bin/hkuto%5Ftoc%5Fpdf?B22956293.

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13

Yando, Erik. "Dispersal, Establishment, and Influence of Black Mangrove ( Avicennia germinans) at the Salt Marsh-Mangrove Ecotone." Thesis, University of Louisiana at Lafayette, 2019. http://pqdtopen.proquest.com/#viewpdf?dispub=10814132.

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<p>Interactions between species are dynamic and are likely to shift with changes in species ranges due to climate change. With the expansion of new species into incumbent ecosystems a variety of abiotic and biotic factors shape the rate, pattern, and method of invasion. This dissertation utilizes one such boundary of transition, the salt marsh-mangrove ecotone, located in the northern Gulf of Mexico. This dynamic coastal wetland has recently seen the expansion of sub-tropical mangrove species into a previously salt marsh dominated system. This collection of works provides pointed case studies

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14

Warren, Janice H. (Janice Helene). "Behavioural ecology of crabs in temperate mangrove swamps." Thesis, The University of Sydney, 1987. https://hdl.handle.net/2123/26768.

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Patterns of distribution of crabs inhabiting burrows in three temperate mangrove swamps near Sydney, New South Wales, were described. Heloeoius cordiformis (an ocypodid) did not exhibit a consistent pattern of distribution among three tidal zones, but was always associated with well— drained mounds of substratum within zones. Paragrapsus laevis (a grapsid) tended to be most abundant in the lower two zones on the shore and usually inhabited burrows in the moist or submerged flats between mounds. Sesarma erythrodactyla (a grapsid) was distributed fairly evenly among the three tidal zones and als

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15

Fernandes, Marcus E. B. "The ecology and productivity of mangroves in the Amazon region, Brazil." Thesis, University of York, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.242179.

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16

Alias, Siti Aisah. "Ecological and taxonomic studies of lignicolous marine fungi in Malaysian mangroves." Thesis, University of Portsmouth, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.336913.

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17

Costa, Ana Luísa Arrais Falcão Beja da. "Mangroves of Maputo. Towards urban resilience through green infrastructure." Doctoral thesis, ISA, 2020. http://hdl.handle.net/10400.5/21196.

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Doutoramento em Arquitetura Paisagista e Ecologia Urbana - Instituto Superior de Agronomia. Universidade de Lisboa / Faculdade de Ciências. Universidade do Porto / Faculdade de Ciências e Tecnologia. Universidade de Coimbra<br>Cities in Africa, where the most remarkable forthcoming developments in the global pattern of urbanization are expected, and quite notably in Sub-Saharan cities such as Maputo, are experiencing accelerating population increases. As a consequence of this growth urban infrastructures are being stressed beyond capacity and there is increased pressure on the existent valuabl

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18

Cheek, Michael David. "Wading bird foraging ecology in a disturbed mangrove estuary in northwest Ecuador : commercial shrimp ponds vs. natural mangrove mudflats." FIU Digital Commons, 2006. http://digitalcommons.fiu.edu/etd/2125.

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I compared wading bird foraging ecology in commercial shrimp ponds and natural mangrove mudflats in the Muisne River Estuary in northwest Ecuador. I estimated foraging habitat suitability by observing the foraging efficiency, diet, and behavior of great (Ardea alba) and snowy (Egretta thula) egrets, censusing birds, and measuring prey availability (i.e. prey density, standing crop, water depth, and diversity). Great egrets had greater foraging efficiency in shrimp ponds, while snowy egret foraging efficiency was greater on mudflats. Over 85% of prey items in snowy egret boluses were from shrim

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19

Bornman, Eugin. "An appraisal of warm temperate mangrove estuaries as food patches using zooplankton and RNA: DNA ratios of Gilchristella aestuaria larvae as indicators." Thesis, Nelson Mandela University, 2018. http://hdl.handle.net/10948/17908.

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Mangrove habitats are considered as the ideal fish nursery as they are known to increase the growth and survival of juvenile fishes by providing enhanced food availability and protection. However, most studies have focused on tropical mangroves with a few recent warm temperate studies finding conflicting results. Furthermore, the nursery value of South African mangroves to fishes remain understudied in subtropical areas, while warm temperate mangroves are yet to be evaluated. This study aimed to assess whether mangrove presence leads to any advantage to the larvae of an important estuarine res

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20

Mohd, Abdullah Maizah. "Ecological Studies of the Mangrove-Associated Meiofauna in Southeast Queensland, Australia." Thesis, Griffith University, 2016. http://hdl.handle.net/10072/367507.

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Meiofauna are ubiquitous but poorly-studied components of soft-bottom marine communities around the world, including mangroves. However, information on the ecological role of the meiofauna in subtropical intertidal habitats is scarce compared to knowledge of the benthic macrofauna. The dynamic environmental conditions and heterogeneous sediments of mangroves present challenges to understanding the structure of mangrove meiofaunal assemblages at various spatial and temporal scales. This study was designed to elucidate the ecological role of the meiofauna in mangroves by studying their three mai

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Indarjani. "Infaunal communities in South Australian temperate mangrove systems." Connect to this title online, 2003. http://hdl.handle.net/2440/37950.

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South Australian mangroves consist of only one single species Avicennia marina (Fosk.) Vierh.var australasica (Walp) Moldenke, 1960. They are distributed discontinuously within St. Vincent Gulf and Spencer Gulf and provide significant valuable habitat both in economical and ecological terms. The Fisheries Act 1971-1982 protected the existence of mangroves and the Harbour Act 1936-1981 controlled removal of mangrove areas in coastal development. To date very few ecological studies have been conducted in the South Australian mangroves, particularly on the infaunal organisms that have an importan

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22

Oliveira, Filho Romildo Lopes de. "Dynamics of phosphorus in mangroves impacted by the state of Ceará." reponame:Repositório Institucional da UFC, 2012. http://www.repositorio.ufc.br/handle/riufc/17165.

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OLIVEIRA FILHO, Romildo Lopes de. Dinâmica de fósforo em manguezais impactados por águas residuárias no Estado do Ceará. 2012. 62 f. Dissertação (Mestrado em ecologia e recursos naturais)- Universidade Federal do Ceará, Fortaleza-CE, 2012.<br>Submitted by Elineudson Ribeiro (elineudsonr@gmail.com) on 2016-05-24T19:35:17Z No. of bitstreams: 1 2012_dis_rloliveirafilho.pdf: 2179639 bytes, checksum: d23643a12aa12247a31b61d72a27f60b (MD5)<br>Approved for entry into archive by José Jairo Viana de Sousa (jairo@ufc.br) on 2016-05-27T20:44:04Z (GMT) No. of bitstreams: 1 2012_dis_rloliveirafilho.pdf: 21

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Zhou, Hong. "Meiofaunal community structure and dynamics in a Hong Kong mangrove /." Hong Kong : University of Hong Kong, 2001. http://sunzi.lib.hku.hk:8888/cgi-bin/hkuto%5Ftoc%5Fpdf?B2331669x.

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24

Pribadi, Rudhi. "The ecology of mangrove vegetation in Bintuni Bay, Irian Jaya, Indonesia." Thesis, University of Stirling, 1998. http://hdl.handle.net/1893/3525.

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The ecology of mangrove forests on Potential Acid Sulphate soils at Bintuni Bay (132° 55' - 134° 02' E, and 2° 02' - 2° 97' S), Irian Jaya, Indonesia was studied. The annual rainfall is 3000mm and there is mixed semi-diurnal tide of 1-5.6m amplitude. The water has a varying salinity of 0-27%. Forest structure was studied in plots of 10m x 10m along three transects across Sikoroti Island and in three 50m x 50m plots in mixed Rhizophora - Bruguiera forest. All trees > 10cm trunk diameter were enumerated, measured and identified. Of the nine tree species, Rhizophora apiculata was the most dominan

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Nijbroek, Ravic. "Mangroves, Mudbanks and Seawalls: Political Ecology of Adaptation to Sea Level Rise in Suriname." Scholar Commons, 2012. http://scholarcommons.usf.edu/etd/4184.

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This study seeks to understand how global discourses of sea level rise (SLR) and mangrove ecology influence national climate change adaptation policy to reduce coastal vulnerability in Suriname. A majority of the Surinamese population lives along the low elevation coastal zone and is highly exposed to projected SLR. Failure by the international community to reach agreement on climate change mitigation means that vulnerable coastal communities must adapt. The Suriname coast is predominantly shaped by mudbanks and mangroves which together provide protection against coastal erosion and trap sedim

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Yerman, Michelle Nerida. "Temperate urban mangrove forests : their ecological linkages with adjacent habitats /." View thesis, 2003. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20060517.092914/index.html.

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Thesis (M. Sc.) (Hons) -- University of Western Sydney, 2003.<br>"Submitted in accordance with guidelines for the Degree of Master of Science (Hons), College of Science, Technology and the Environment, University of Western Sydney, Hawkesbury, Richmond NSW, Australia, March 2003." Includes bibliography : leaves 229 - 254, and appendices.

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Lamparelli, Claudia Condé. "Dinâmica da serapilheira em manguezais de Bertioga, região sudeste do Brasil." Universidade de São Paulo, 1995. http://www.teses.usp.br/teses/disponiveis/6/6134/tde-05022018-160319/.

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Os manguezais de Bertioga localizam-se próximos ao limite sul de distribuição dessa comunidade vegetal na costa brasileira e no hemisfério sul. Esses bosques são compostos por três espécies: Rhizophora mangle L., Avicennia schaueriana Stapf & Leechman e Laguncularia racemosa Gaertn f. e apresentam estrutura pouco desenvolvida. O manguezal do Rio Iriri possui um diâmetro médio de 8,48 cm, altura média de 6,55 m, densidade de 216 ind/0,1 ha e área basal de 1,29 m2m2/0,1 ha. Já no Rio ltapanhaú, .o diâmetro médio do bosque é de 10,41 em, com altura média de 6,83 m, densidade de 173 ind/0,1 ha e á

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Leandro, Baladrón Paloma. "Estudio de la vegetación costera de los Emiratos Árabes Unidos (EAU) (Golfo Arábigo). Análisis del estado actual." Doctoral thesis, Universitat Politècnica de València, 2021. http://hdl.handle.net/10251/167018.

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[ES] A través de la fitosociología se ha estudiado las agrupaciones de plantas, sus interrelaciones y su dependencia con el medio ambiente en la costa del golfo Arabe en los Emiratos Arabes Unidos (EAU). La vegetacion de los Emiratos se caracteriza por la presencia del manglar paleotropical propio de las zonas intertidales en clima subtropical, acompañado por halofitas de desierto. Se han identificado 9 grupos de vegetación: (I) Asoc. Avicennietum marinae Chapman, J. 1970, (II) Asoc. Salicornietum fruticosi Br. Bl. 1928, (III) Asoc. Arthrocnemum machostachi- Halocnemetum strobiliaci As

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Mbense, Sinegugu. "The growth and recovery of mangroves at three South African study sites." Thesis, Nelson Mandela Metropolitan University, 2017. http://hdl.handle.net/10948/11931.

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Mangroves in South Africa are prone to anthropogenic pressures such as browsing and trampling by livestock and by natural disturbances such as drought and floods. These mangroves exist at one of the most southerly limits in the world providing a unique opportunity to study recovery and resilience to change. This study used long term data at three South African study sites located in the subtropical (St Lucia Estuary) and warm temperate regions (Nxaxo and Kobonqaba estuaries) to compare mangrove growth rate, population structure and responses to disturbance. The first objective was investigated

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Zagars, Matiss. "Estuarine mangrove fish communities in southwestern Thailand : trophic ecology and movement patterns." 京都大学 (Kyoto University), 2012. http://hdl.handle.net/2433/160976.

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Filho, Romildo Lopes de Oliveira. "Dynamics of phosphorus in mangroves impacted by the state of CearÃ." Universidade Federal do CearÃ, 2012. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=8737.

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Estudos recentes demonstram a eficÃcia do manguezal em reter nutrientes e, em especial, a capacidade dos componentes minerais do seu solo em tamponar elevados teores de fÃsforo. Em geral, os solos dos manguezais tÃm sido considerados como importantes sumidouros de nutrientes devido a sua grande capacidade de depuraÃÃo de efluentes. Entretanto, dependendo das condiÃÃes geoquÃmicas existentes, esses solos podem funcionar como fonte de fÃsforo para outros ambientes e/ou para as Ãguas costeiras. Tendo em vista que o comportamento geoquÃmico do fÃsforo, bem como seu papel na eutrofizaÃÃo dos corpos

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Muller, Cuen. "Evaluating the importance of mangroves as fish nurseries in selected warm temperate South African estuaries." Thesis, Nelson Mandela Metropolitan University, 2017. http://hdl.handle.net/10948/12080.

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The value of mangrove habitats as fish nurseries was assessed by comparing communities of early stage and juvenile fishes between estuaries with and without mangroves. Early stage fishes were sampled using boat-based plankton towing while juveniles were sampled by seine netting. Sampling took place at five sites spaced 1 km apart starting near the estuary mouth in four estuaries along the temperate coastline of the Eastern Cape Province of South Africa. Four estuaries were selected based on shared similarities which included catchment area, estuarine area and shared habitats barring the presen

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SILVA, Jos? Antonio Batista da. "Diversidade da Calliphoridae em manguezal e a associa??o com Megaselia scalaris (Loew) (Diptera: Phoridae), Itabora?, RJ, Brasil." Universidade Federal Rural do Rio de Janeiro, 2011. https://tede.ufrrj.br/jspui/handle/jspui/1192.

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Submitted by Sandra Pereira (srpereira@ufrrj.br) on 2016-09-08T12:13:31Z No. of bitstreams: 1 2011 - Jos? Antonio Batista da Silva.pdf: 1901739 bytes, checksum: bf67996decc8c7cef031a8ce05d6f464 (MD5)<br>Made available in DSpace on 2016-09-08T12:13:31Z (GMT). No. of bitstreams: 1 2011 - Jos? Antonio Batista da Silva.pdf: 1901739 bytes, checksum: bf67996decc8c7cef031a8ce05d6f464 (MD5) Previous issue date: 2011-12-08<br>This work was carried out from August 2007 to July 2011, in Itabora?, RJ, Brazil, and aimed to identify the Calliphoridae species exist in a mangrove swamp, verifying whic

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Gwyther, Janet, and mikewood. "The ecology of meiofauna in a temperate mangrove ecosystem in south-eastern Australia." Deakin University. School of Ecology and Environment, 2002. http://tux.lib.deakin.edu.au./adt-VDU/public/adt-VDU20060705.140427.

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The meiofauna of a mangrove forest in the River Barwon estuary was studied by means of surveys and field experiments. Distinctive assemblages of meiofauna were described from the sediment and pneumatophores of the ecosystem. Fine resolution of phytal habitats was demonstrated, and particular assemblages of meiofauna were characteristic within habitat provided by dominant epibionts. Distribution of the meiofauna within leaf litter revealed high turnover rates of nematodes, and some factors controlling detrital assemblages were assessed. The vertical profile of sedimentary meiofauna was examined

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Bui, Thi Hong Hanh. "Detritivory in the Mangrove Sesarmid Crab Parasesarma Erythodactyla." Thesis, Griffith University, 2015. http://hdl.handle.net/10072/366242.

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Sesarmid crabs have important ecological roles in the mangroves of the Indo-west-Pacific biogeographic region. By processing large amount of leaf litter, these crabs retain organic matter in the mangroves, increase the rate of mineralisation, and fuel additional trophic links with the processed material. However, the dietary composition of the mangrove sesarmids is still a controversy. Gut content analyses suggest a dominant contribution of mangrove leaf litter in the crab diet but stable isotope data seem to support the assimilation of organic matter derived from the microphytobenthos but not

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Young, Ruth Anne. "Biotic Responses to Urbanisation in Mangrove Dominated Estuaries." Thesis, Griffith University, 2009. http://hdl.handle.net/10072/367651.

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Increasing urbanisation of coastal areas is placing unprecedented pressure on estuarine environments. Impacts associated with urbanisation can alter the health of estuarine ecosystems, reducing their capacity to provide valuable ecosystem services. In order protect these environments, relationships between estuarine health and urbanisation should be understood and applied to sustainable urban planning in coastal areas. Responses measured in estuarine biota offer much potential for providing pragmatic and sensitive means for the detection of urban impacts in estuaries. I assessed the responses

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Anderson, Carmen. "The production ecology of the mangrove at the Mai Po Marshes Nature Reserve, Hong Kong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1994. http://hub.hku.hk/bib/B31234045.

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Ashton, Elizabeth C. "Biodiversity and community ecology of mangrove plants : molluscs and crustaceans in two mangrove forests in Peninsular Malaysia in relation to local management practices." Thesis, University of York, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301686.

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Zisman, Simon. "Sustainability or status quo : an assessment of elite influence in the political ecology of Belizean mangroves." Thesis, University of Edinburgh, 1998. http://hdl.handle.net/1842/22768.

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This research, by investigating the actions of mangrove stakeholders in Belize, reveals why the ruling elite who govern resource use rarely benefit from more sustainable exploitation, and how they resist attempts to achieve it. The context for this examination centres around a British bilateral and aid project aimed at implementing sustainable forest use and rational land allocation in Belize. This project followed in the wake of the UK's official adoption of the 'good governance' orthodoxy in its aid policy in 1991. Through observation, discussion and interaction with stakeholders, analysis o

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Yerman, Michelle N., University of Western Sydney, of Science Technology and Environment College, and School of Natural Sciences. "Temperate urban mangrove forests : their ecological linkages with adjacent habitats." THESIS_CSTE_NSC_Yerman_M.xml, 2003. http://handle.uws.edu.au:8081/1959.7/652.

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Estuarine habitats along the temperate south-eastern shores of Australia are generally made up of salt marsh, mangrove forests and seagrass beds. In urban areas these habitats have been progressively fragmented as a result of population increase and industrial expansion. Salt marshes in particular have been vulnerable to urban expansion and reclamation because of their close proximity to densely populated areas, while mangrove forests have been less often reclaimed because of frequent tidal inundation. The effect of reclamation of salt marshes on the biotic assemblages and functioning of mangr

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Mendes, Lucas William. "Análise molecular das estruturas e diversidade de comunidades microbianas em solo de manguezal preservado da Ilha do Cardoso-SP." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/64/64133/tde-27042010-112316/.

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Os manguezais tropicais são considerados um dos ecossistemas mais produtivos do mundo, sendo caracterizados pela alta taxa de ciclagem de matéria orgânica e nutrientes que ocorre entre os oceanos e os ambientes terrestres. Embora os manguezais sejam considerados áreas de proteção ambiental, a destruição desses ambientes é progressiva, devido a atividades industriais e portuárias nos estuários. Nos manguezais, a ciclagem de nutrientes está diretamente relacionada às atividades e a diversidade das comunidades microbianas presentes no solo. Este trabalho está inserido em um projeto mais amplo den

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Zhou, Hong, and 周紅. "Meiofaunal community structure and dynamics in a Hong Kong mangrove." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B31242765.

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Wang, Yongfeng, and 王永峰. "Molecular analysis of ammonia oxidizing prokaryotes in mangrove wetlands and factors affecting their dynamics." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hub.hku.hk/bib/B50434421.

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Ammonia/ammonium-oxidizing prokaryotes (AOPs) play a crucial role in nitrogen transformation in the natural ecosystems including mangrove wetlands. The objectives of the present study were to investigate the spatial and temporal distribution of AOPs in the mangrove wetland sediments in subtropical Hong Kong and their ecophysiology. When AOP communities and abundances in a natural coastal mangrove wetland and a constructed freshwater wetland were compared, the constructed freshwater wetland contained a broader range of phylotypes, higher diversity, more complex community structures, and mor

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Raw, Jacqueline Leoni. "Ecology of key cerithioidean gastropods in the mangroves of the iSimangaliso Wetland Park, KwaZulu-Natal South Africa." Thesis, Nelson Mandela Metropolitan University, 2017. http://hdl.handle.net/10948/11942.

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Gastropods are one of the most diverse species groups in mangrove habitats, however, many of their specific roles in relation to ecological patterns and processes are currently largely unknown. The overall aim of this research project was to provide basic ecological information for key gastropod species from subtropical mangroves within a protected area. South African mangroves cover relatively small areas and are restricted to estuaries, these habitats therefore present unique opportunities and challenges to the species that occur in them. Three gastropod species, Terebralia palustris, Cerith

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Khan, Mohammad Monirul Hasan. "Ecology and conservation of the Bengal tiger in the Sundarbans mangrove forest of Bangladesh." Thesis, University of Cambridge, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.616015.

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Wilson, Monetta S. "Development of a mangrove quality index in Tampa Bay, Florida." [Tampa, Fla] : University of South Florida, 2009. http://purl.fcla.edu/usf/dc/et/SFE0003024.

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De, Carvalho Ximenes Arimatéa. "Mangrove species range limits and species diversity: A macroecological approach from regional to global scales." Doctoral thesis, Universite Libre de Bruxelles, 2019. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/285690.

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The mangrove forest is an ecosystem distributed worldwide along tropical andsubtropical coastlines. The environmental conditions are known to affect species distributionpatterns, and to understand them is one of the main goals of biogeography. The association ofenvironmental factors (e.g. temperature and precipitation) and species distribution patterns haschallenged scientists since long. Species are distributed in a geographical space, however, whyspecies are present in a certain location but absent in another is a fundamental question inbiogeography. This PhD thesis aims at better understand

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Vorsatz, Jeanne Pauline. "Ecological role of estuarine brachyuran crabs in mangrove and salt marsh estuaries, Eastern Cape, South Africa." Thesis, Nelson Mandela Metropolitan University, 2009. http://hdl.handle.net/10948/1108.

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Crabs are conspicuous inhabitants of temperate salt marshes and tropical mangroves and interact with their environment through several processes. However, detailed information on crab community processes is absent for most South African estuaries and nearshore coastal regions. This study evaluated the primary producers supporting crab species in the salt marsh dominated Swartkops estuary and the mangrove Mngazana estuary. Various methods estimating crab abundances were also assessed in different microhabitats and the larval distribution of crabs in the coastal zone was also investigated. Vario

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Groenewald, Christoff J. "Macrobenthic community structure across an inter- and subtidal gradient in a mangrove estuary." Thesis, Nelson Mandela Metropolitan University, 2010. http://hdl.handle.net/10948/1240.

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Macrozoobenthic community structure and composition was investigated along a subtidal-intertidal gradient in the Mngazana Estuary. Six transects were sampled between the spring high water mark (HWST) and the bottom of the river channel in the lower estuary. Fifteen replicate samples were collected along each transect using a Van Veen type grab (211 cm2 bite) during each of three sampling sessions. Samples were sieved through a 500 μm mesh bag and the invertebrates stored in bottles for further analysis in the laboratory. Additional grab samples were collected for sediment particle size analysi

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Lang, Reinisch Luciana. "Once there were fishermen : social natures, environmental ethics and an urban mangrove." Thesis, University of Manchester, 2015. https://www.research.manchester.ac.uk/portal/en/theses/once-there-were-fishermensocial-natures-environmental-ethics-and-an-urban-mangrove(2f80518e-95bc-4362-93b5-4502594638a5).html.

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This research looks at the change in ethical sensibilities towards a mangrove in a fishing colony in the periphery of Rio de Janeiro, Brazil, and at how they may have changed as the mangrove became a protected area and entered the environmental assemblage. Formerly called Z-1, this was the first of 800 cooperative fishing colonies founded along the Brazilian coast in 1920 as part of a government initiative. The study unveiled the following pattern around the mangrove: from being a source of livelihood and place for communal activities up until the 1970s, it became the locus of an environmental

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