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Academic literature on the topic 'Niche (Ecology)'

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Published: 4 June 2021

Last updated: 30 July 2024

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Journal articles on the topic "Niche (Ecology)"

Newsome, Seth D., Carlos Martinez del Rio, Stuart Bearhop, and Donald L. Phillips. "A niche for isotopic ecology." Frontiers in Ecology and the Environment preprint, no. 2007 (2007): 1. http://dx.doi.org/10.1890/060150.

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Newsome, Seth D., Carlos Martinez del Rio, Stuart Bearhop, and Donald L. Phillips. "A niche for isotopic ecology." Frontiers in Ecology and the Environment 5, no. 8 (October 2007): 429–36. http://dx.doi.org/10.1890/060150.1.

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Newsome, Seth D., Carlos Martinez del Rio, Stuart Bearhop, and Donald L. Phillips. "A niche for isotopic ecology." Frontiers in Ecology and the Environment 5, no. 8 (2007): 429. http://dx.doi.org/10.1890/1540-9295(2007)5[429:anfie]2.0.co;2.

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Sugden, A. M. "ECOLOGY/EVOLUTION: Maintaining One's Niche." Science 305, no. 5688 (August 27, 2004): 1215b. http://dx.doi.org/10.1126/science.305.5688.1215b.

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Kearney, Michael, Stephen J. Simpson, David Raubenheimer, and Brian Helmuth. "Modelling the ecological niche from functional traits." Philosophical Transactions of the Royal Society B: Biological Sciences 365, no. 1557 (November 12, 2010): 3469–83. http://dx.doi.org/10.1098/rstb.2010.0034.

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The niche concept is central to ecology but is often depicted descriptively through observing associations between organisms and habitats. Here, we argue for the importance of mechanistically modelling niches based on functional traits of organisms and explore the possibilities for achieving this through the integration of three theoretical frameworks: biophysical ecology (BE), the geometric framework for nutrition (GF) and dynamic energy budget (DEB) models. These three frameworks are fundamentally based on the conservation laws of thermodynamics, describing energy and mass balance at the level of the individual and capturing the prodigious predictive power of the concepts of ‘homeostasis’ and ‘evolutionary fitness’. BE and the GF provide mechanistic multi-dimensional depictions of climatic and nutritional niches, respectively, providing a foundation for linking organismal traits (morphology, physiology, behaviour) with habitat characteristics. In turn, they provide driving inputs and cost functions for mass/energy allocation within the individual as determined by DEB models. We show how integration of the three frameworks permits calculation of activity constraints, vital rates (survival, development, growth, reproduction) and ultimately population growth rates and species distributions. When integrated with contemporary niche theory, functional trait niche models hold great promise for tackling major questions in ecology and evolutionary biology.

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Sillero, Neftalí, Elena Argaña, Cátia Matos, Marc Franch, Antigoni Kaliontzopoulou, and Miguel A. Carretero. "Local Segregation of Realised Niches in Lizards." ISPRS International Journal of Geo-Information 9, no. 12 (December 21, 2020): 764. http://dx.doi.org/10.3390/ijgi9120764.

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Species can occupy different realised niches when sharing the space with other congeneric species or when living in allopatry. Ecological niche models are powerful tools to analyse species niches and their changes over time and space. Analysing how species’ realised niches shift is paramount in ecology. Here, we examine the ecological realised niche of three species of wall lizards in six study areas: three areas where each species occurs alone; and three areas where they occur together in pairs. We compared the species’ realised niches and how they vary depending on species’ coexistence, by quantifying niche overlap between pairs of species or populations with the R package ecospat. For this, we considered three environmental variables (temperature, humidity, and wind speed) recorded at each lizard re-sighting location. Realised niches were very similar when comparing syntopic species occurring in the same study area. However, realised niches differed when comparing conspecific populations across areas. In each of the three areas of syntopy, the less abundant species shift its realised niche. Our study demonstrates that sympatry may shift species’ realised niche.

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Péli, Gábor. "1. The Niche Hiker's Guide to Population Ecology: A Logical Reconstruction of Organization Ecology's Niche Theory." Sociological Methodology 27, no. 1 (August 1997): 1–46. http://dx.doi.org/10.1111/1467-9531.271018.

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Song, Xing-Jiang, Gang Liu, Zeng-Qiang Qian, and Zhi-Hong Zhu. "Niche Filling Dynamics of Ragweed (Ambrosia artemisiifolia L.) during Global Invasion." Plants 12, no. 6 (March 14, 2023): 1313. http://dx.doi.org/10.3390/plants12061313.

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Determining whether the climatic ecological niche of an invasive alien plant is similar to that of the niche occupied by its native population (ecological niche conservatism) is essential for predicting the plant invasion process. Ragweed (Ambrosia artemisiifolia L.) usually poses serious threats to human health, agriculture, and ecosystems within its newly occupied range. We calculated the overlap, stability, unfilling, and expansion of ragweed’s climatic ecological niche using principal component analysis and performed ecological niche hypothesis testing. The current and potential distribution of A. artemisiifolia was mapped by ecological niche models to identify areas in China with the highest potential risk of A. artemisiifolia invasion. The high ecological niche stability indicates that A. artemisiifolia is ecologically conservative during the invasion. Ecological niche expansion (expansion = 0.407) occurred only in South America. In addition, the difference between the climatic and native niches of the invasive populations is mainly the result of unpopulated niches. The ecological niche model suggests that southwest China, which has not been invaded by A. artemisiifolia, faces an elevated risk of invasion. Although A. artemisiifolia occupies a climatic niche distinct from native populations, the climatic niche of the invasive population is only a subset of the native niche. The difference in climatic conditions is the main factor leading to the ecological niche expansion of A. artemisiifolia during the invasion. Additionally, human activities play a substantial role in the expansion of A. artemisiifolia. Alterations in the A. artemisiifolia niche would help explain why this species is so invasive in China.

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Ready, Elspeth, and Michael Holton Price. "Human behavioral ecology and niche construction." Evolutionary Anthropology: Issues, News, and Reviews 30, no. 1 (January 2021): 71–83. http://dx.doi.org/10.1002/evan.21885.

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Gewin, Virginia. "Beyond Neutrality—Ecology Finds Its Niche." PLoS Biology 4, no. 8 (August 15, 2006): e278. http://dx.doi.org/10.1371/journal.pbio.0040278.

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Dissertations / Theses on the topic "Niche (Ecology)"

Cruz, Leonardo Dominici. "Nicho trofico de Gracilinanus microtarsus (Didelphimorphia: Didelphidae) : variação intra-populacional e inter-individual." [s.n.], 2007. http://repositorio.unicamp.br/jspui/handle/REPOSIP/316227.

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Orientador: Sergio Furtado dos Reis
Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Biologia
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Resumo: A teoria do nicho ocupa uma posição central na Ecologia, tendo um papel fundamental nos modelos de dinâmicas populacionais e de comunidades. Apesar disso, sua formalização tradicional é baseada nos princípios da aproximação do campo médio e da lei da ação das massas, os quais presumem que os indivíduos de uma espécie são ecologicamente equivalentes e suas interações são proporcionais às suas densidades. Esta abordagem tem se mostrado inadequada em descrever as dinâmicas do nicho trófico, visto que tanto fatores endógenos quanto exógenos contribuem de forma significativa para a variação do nicho populacional. Desse modo o presente estudo teve como objetivo investigar a dieta, a dinâmica do nicho trófico populacional do marsupial Gracilinanus microtarsus (Wagner, 1842) em uma área de cerradão em São Paulo, assim como investigar a influência da variação inter-individual neste fenômeno. A dieta de G. microtarsus foi composta de invertebrados e frutos, com a predominância de insetos. As amplitudes de nicho trófico de machos e fêmeas foram maiores na estação quente-úmida do que na fria-seca. Entre os sexos, a amplitude do nicho de machos e fêmeas aparentemente não diferiu na estação quente-úmida. Na estação fria-seca, fêmeas apresentaram nichos mais amplos do que os machos. No nível individual, os nichos tróficos de machos e fêmeas foram similarmente proporcionais ao nicho de sua população. No entanto, esta similaridade foi maior na estação fria-seca. Nem o tamanho amostral, nem o número de categorias alimentares detectadas nas fezes influenciaram estes resultados. Isto indica que, no geral, os indivíduos de G. microtarsus se comportam de forma oportunística, utilizando os recursos de acordo com sua disponibilidade no ambiente
Abstract: The niche theory occupies a central position in the Ecology, having a fundamental role in the population and community dynamic models. Despite this, its traditional formalization is based on the principles of the mean-field and on the law of mass action, which presume that the individuals of a species are ecologically equivalent and their interactions are proportional to their densities. This approach is inadequate in describing the dynamics of trophic niche, since many endogenous and exogenous factors contribute significantly to the variation of the population niche. This study aimed to investigate the diet, the dynamics of the population trophic niche of the gracile mouse opossum Gracilinanus microtarsus (Wagner, 1842) in a ¿cerradão¿ area of São Paulo state, as well as to investigate the influence of the inter-individual variation in this phenomenon. The diet of G. microtarsus was composed of invertebrates and fruits, with the predominance of insects. The trophic niche width of males and females was higher in the warm-wet season than in the cool-dry season. Between sexes, the niche width of males and females did not differ in the warm-wet season and in the cool-dry season. Females presented larger niche width than males. At the individual level, the niches of males and females were similarly proportional to their populations. However, in the cool-dry season, this similarity was higher. Neither amostral size nor number of food resource types detected in faeces influenced these results. This indicates that, in general, the individuals of G. microtarsus behave as opportunistic foragers, using the resources in according to with their availability in the environment
Mestrado
Mestre em Ecologia

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Lima, Felipe Pontieri de [UNESP]. "Estrutura trófica das assembléia de peixes da represa de Jurumirim, alto rio Paranapanema-SP, Brasil." Universidade Estadual Paulista (UNESP), 2012. http://hdl.handle.net/11449/99409.

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Este estudo foi realizado na represa de Jurumirim, alto rio Paranapanema – SP, em três trechos limnologicamente distintos (lótico, transição e lêntico) e em duas lagoas marginais próximas a região de desembocadura do Rio Paranapanema na represa de Jurumirim. O objetivo foi avaliar os padrões relacionados a partilha de recursos alimentares e a estrutura e organização trófica das assembleias de peixes desta represa. Os peixes foram coletados bimestralmente com redes de espera entre abril/2009 e fevereiro/2010. Foram analisados conteúdos estomacais de 24 espécies distribuídas em três ordens e onze famílias quais consumiram no total 50 itens alimentares identificados dispostos em nove categorias tróficas, sendo que os itens principais foram fragmento vegetal, fragmento de peixes e detrito orgânico Os peixes foram classificados mediante a análise de similaridade de acordo com o item preferencial consumido sendo possível reconhecer oito guildas tróficas: Herbívoro, Detritívoro, Piscívoro, Detritívoro/Herbívoro, Insetívoro, Invertívoro e Carcinófago. A guilda dos herbívoros, detritívoros e piscívoros ocorreram em todos os trechos amostrados, sendo a composição em termos de espécie das guildas variável entre os trechos, com nove das 24 espécies estudadas ocorrendo em guildas distintas, indicando flexibilidade na dieta destas espécies. As assembleias de peixes da represa de Jurumirim apresentaram em sua maioria baixos valores de amplitude e sobreposição de nicho trófico, indicando que esta comunidade de peixes partilha os recursos alimentares. Portanto é possível concluir que a ictiofauna da represa de Jurumirim apresenta uma estrutura trófica bem estabelecida, qual as espécies partilham recursos alimentares de forma a evitar competição pelos recursos disponíveis
This study was carried in the Jurumirim Reservoir, Upper Paranapanema River, -SP in three distinct limnologic stretches (lotic, transition, lentic) and two marginal lagoons near the mouth of the Paranapanema river in the Jurumirim Reservoir. The aim was to evaluate the patterns related to food resources partitioning, as well as the trophic structure and organization of fish assemblages. Fish were collected bimonthly with gill nets between April/2009 and February/2010. The stomach contents of 24 species were analyzed, in three orders and eleven families which consumed a total of 50 identified food items arranged in nine trophic categories, with vegetal matter, fragment of fish and organic detritus waste as the main items in the diet of species. Fish were classified by the similarity analysis according to the preferential item consumed, and eight trophic guilds were recognized: herbivorous, detritivorous, piscivorous, detritivorous/herbivorous, insectivorous, invertivorous and carcinophagous. The guild of herbivorous, detritivorous and piscivorous occurred in all sampling sites. The species composition of trophic guilds was variable among sites, with nine of the 24 studied species occurring in different guilds, indicating flexibility in the diet of this species. The fish assemblage of Jurumirim Reservoir showed low niche breadth niche overlap values, indicating that this fish community share food resources. Therefore we conclude that the fish fauna of the reservoir Jurumirim has a well-established trophic structure, which species partitioning food resources to avoid competition

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Lima, Felipe Pontieri de. "Estrutura trófica das assembléia de peixes da represa de Jurumirim, alto rio Paranapanema-SP, Brasil /." Botucatu, 2012. http://hdl.handle.net/11449/99409.

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Orientador: Edmir Daniel Carvalho
Coorientador: Ana Paula Vidotto-Magnoni
Banca: Edmir Daniel Carvalho
Banca: Rosemara Fugi
Banca: Sirlei Therezinha Bennemann
Resumo: Este estudo foi realizado na represa de Jurumirim, alto rio Paranapanema - SP, em três trechos limnologicamente distintos (lótico, transição e lêntico) e em duas lagoas marginais próximas a região de desembocadura do Rio Paranapanema na represa de Jurumirim. O objetivo foi avaliar os padrões relacionados a partilha de recursos alimentares e a estrutura e organização trófica das assembleias de peixes desta represa. Os peixes foram coletados bimestralmente com redes de espera entre abril/2009 e fevereiro/2010. Foram analisados conteúdos estomacais de 24 espécies distribuídas em três ordens e onze famílias quais consumiram no total 50 itens alimentares identificados dispostos em nove categorias tróficas, sendo que os itens principais foram fragmento vegetal, fragmento de peixes e detrito orgânico Os peixes foram classificados mediante a análise de similaridade de acordo com o item preferencial consumido sendo possível reconhecer oito guildas tróficas: Herbívoro, Detritívoro, Piscívoro, Detritívoro/Herbívoro, Insetívoro, Invertívoro e Carcinófago. A guilda dos herbívoros, detritívoros e piscívoros ocorreram em todos os trechos amostrados, sendo a composição em termos de espécie das guildas variável entre os trechos, com nove das 24 espécies estudadas ocorrendo em guildas distintas, indicando flexibilidade na dieta destas espécies. As assembleias de peixes da represa de Jurumirim apresentaram em sua maioria baixos valores de amplitude e sobreposição de nicho trófico, indicando que esta comunidade de peixes partilha os recursos alimentares. Portanto é possível concluir que a ictiofauna da represa de Jurumirim apresenta uma estrutura trófica bem estabelecida, qual as espécies partilham recursos alimentares de forma a evitar competição pelos recursos disponíveis
Abstract: This study was carried in the Jurumirim Reservoir, Upper Paranapanema River, -SP in three distinct limnologic stretches (lotic, transition, lentic) and two marginal lagoons near the mouth of the Paranapanema river in the Jurumirim Reservoir. The aim was to evaluate the patterns related to food resources partitioning, as well as the trophic structure and organization of fish assemblages. Fish were collected bimonthly with gill nets between April/2009 and February/2010. The stomach contents of 24 species were analyzed, in three orders and eleven families which consumed a total of 50 identified food items arranged in nine trophic categories, with vegetal matter, fragment of fish and organic detritus waste as the main items in the diet of species. Fish were classified by the similarity analysis according to the preferential item consumed, and eight trophic guilds were recognized: herbivorous, detritivorous, piscivorous, detritivorous/herbivorous, insectivorous, invertivorous and carcinophagous. The guild of herbivorous, detritivorous and piscivorous occurred in all sampling sites. The species composition of trophic guilds was variable among sites, with nine of the 24 studied species occurring in different guilds, indicating flexibility in the diet of this species. The fish assemblage of Jurumirim Reservoir showed low niche breadth niche overlap values, indicating that this fish community share food resources. Therefore we conclude that the fish fauna of the reservoir Jurumirim has a well-established trophic structure, which species partitioning food resources to avoid competition
Mestre

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Araújo, Marcio Silva. "Variação interindividual no uso de recursos em populações naturais : novos padrões e implicações." [s.n.], 2007. http://repositorio.unicamp.br/jspui/handle/REPOSIP/316223.

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Orientadores: Sergio Furtado dos Reis, Glauco Machado
Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Biologia
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Resumo: A teoria ecológica clássica, em especial a teoria de nicho, foi construída sob a suposição de que os indivíduos de uma população são equivalentes em termos da utilização de recursos. Entretanto, é sabido que os indivíduos de uma população podem variar no uso de recursos e que essa variação pode ter importantes implicações ecológicas e evolutivas. Essa variação interindividual pode dar origem a morfotipos discretos (¿polimorfismo de recursos¿) ou ser contínua (¿especialização individual¿). O presente estudo teve como objetivo investigar a variação interindividual no uso de recursos em quatro populações de rãs do Cerrado brasileiro (Leptodactylus sp., L. fuscus, Eleutherodactylus cf. juipoca e Proceratophrys sp.), uma população de vespas-caçadoras de uma área de Mata Atlântica (Trypoxylon albonigrum) e uma população do peixe lacustre Gasterosteus aculeatus da Columbia Britânica, Canada. Houve evidência de variação interindividual em todas as populações estudadas, indicando que esse fenômeno não é exclusivo de comunidades temperadas de baixa diversidade. Houve uma associação entre a amplitude dos nichos populacionais e o grau de variação interindividual, indicando que os nichos individuais permanecem estreitos apesar da expansão do nicho populacional. Esse padrão é consistente com a presença de trade-offs funcionais associados ao uso dos recursos. A base dos trade-offs permanece desconhecida no caso das rãs e das vespas, mas é provavelmente comportamental. No caso de G. aculeatus, os trade-offs têm base morfológica, mas são mediados pelo comportamento. Além disso, foi identificado um padrão de partição de recursos inédito nesses peixes, em que os indivíduos formam microguildas que representam subdivisões dos recursos litorâneos e pelágicos. São propostos dois novos métodos para a investigação da variação intrapopulacional no uso de recursos, um deles baseado no uso de isótopos estáveis de carbono (d13C) e o outro na teoria de redes complexas
Abstract: Ecological theory, and specially niche theory, was built on the assumption that individuals are equivalent in terms of resource use. However, the individuals in a population may vary in their resources, and this interindividual variation may have important ecological and evolutionary implications. Such variation may give rise to discrete morphological groups (¿resource olymorphism¿) or it may be more continuous (¿individual specialization¿). In the present study, we investigated interindividual variation in resource use in four populations of frogs inhabiting the Brazilian Cerrado (Leptodactylus sp., L. fuscus, Eleutherodactylus cf. juipoca e Proceratophrys sp.), one population of hunting-wasp of the Atlantic Rainforest (Trypoxylon albonigrum), and one population of sticklebacks (Gasterosteus aculeatus) from British Columbia, Canada. We found evidence of interindividual diet variation in all studied populations, indicating that such variation is not restricted to temperate, depauperate comunities. There was an association between niche width and the degree of interindividual variation, indicating that individual niches remain constrained as the population niche expands. This pattern is consistent with the presence of functional trade-offs associated with resource use. In the case of the frogs and the wasps, the nature of the trade-offs remains unknown, but are likely to be behavioral. In the sticklebacks, the trade-offs have a morphological basis, but are mediated by behavior. We found that individual sticklebacks partition resources within littoral and within pelagic prey, which represents a finer pattern of resource partitioning than the traditional ¿littoral-pelagic¿ dichotomy. Two new methods for the quantification of interindividual diet variation are proposed, one based on carbon stable isotopes (d13C) and another based on complex-network theory
Doutorado
Ecologia
Doutor em Ecologia

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Fromant, Aymeric. "The ecology and niche segregation of diving petrels." Thesis, La Rochelle, 2022. https://tel.archives-ouvertes.fr/tel-03959129.

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L'exploration de la niche écologique d'une espèce implique une analyse à plusieurs échelles, car différentes contraintes environnementales peuvent avoir des conséquences écologiques importantes. Cependant, l'absence d'informations précises sur l'écologie des petites espèces de procellariiformes a considérablement limité leur étude, impactant notre capacité à définir une planification de conservation appropriée. Les avancées technologiques dans la miniaturisation des enregistreurs de données permettent depuis peu de collecter des données écologiques sur ces espèces. Dans cette étude, une approche multidisciplinaire a été utilisée pour étudier la niche écologique des pétrels plongeurs communs et de Géorgie du Sud. Les principaux objectifs étaient de : 1) décrire leur écologie alimentaire pendant les périodes de reproduction et de non-reproduction, et étudier leurs variations interannuelles ; 2) déterminer les différences écologiques entre les populations de l'Océan Austral ; et 3) étudier les variations de leur écologie tout au long du cycle annuel dans un contexte de ségrégation écologique entre ces deux espèces sœurs. Les résultats ont démontré que les pétrels plongeurs présentent des capacités de vol remarquables malgré leur charge alaire élevée, se nourrissant sur de vastes zones pendant la reproduction et migrant à plusieurs milliers de kilomètres de leur colonie pendant la période post-reproduction. Ces analyses ont révélé d'importantes différences écologiques au sein des espèces, notamment en termes de phénologie et de zone de migration. La collecte de données sur plusieurs années a considérablement renforcé ces résultats et fournit des informations précieuses pour comprendre les limites des niches écologiques des pétrels plongeurs. Enfin, la variation de ségrégation en fonction du stade de reproduction a démontré l'importance d'une approche multi-outils pour mieux décrire et comprendre la coexistence d'espèces écologiquement similaires
Exploring a species’ ecological niche entails investigating at multiple scales, as different environmental threats and niche constraints between intra-species levels may lead to important ecological and conservation consequences. However, the absence of precise information about small procellariiform species ecology has greatly limited ecological niche modelling studies, directly impacting our ability to delineate proper conservation planning. Technological advancements in the miniaturisation of data loggers have made it possible to collect ecological data of such species. In the present study, a multi-tooled approach was used to investigate the ecological niche of the common and the South-Georgian diving petrels. The primary objectives were to: 1) describe their foraging ecology during the breeding and non-breeding periods, and investigate their inter-annual variations; 2) determine the ecological differences between populations throughout the Southern Ocean; and 3) study the variations in their foraging ecology throughout the entire annual-cycle in the context of niche segregation between two sibling species. The results demonstrated that diving petrels exhibit remarkable flying abilities despite their high wing loading, foraging over large areas during the breeding season, and migrating several thousands of kilometres from their colony during the post-breeding period. These analyses revealed important ecological differences throughout the species distribution, particularly in terms of phenology and migration area. Collecting data over several years substantially strengthens results and provides valuable information to understand the variations and the limits of diving petrel ecological niches. Finally, a stage-dependent and context-dependent niche segregation analysis demonstrated the importance of a multi-tooled approach to better describe and understand the co-existence of ecologically similar species

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Page, Brad. "Niche partitioning among fur seals /." Access full text, 2005. http://www.lib.latrobe.edu.au/thesis/public/adt-LTU20060622.153716/index.html.

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Thesis (Ph.D.) -- La Trobe University, 2005.
Submitted in total fulfilment of the requirements for the degree of Doctor of Philosophy to the Zoology Dept., School of Life Sciences, Faculty of Science, Technology and Engineering. Research. Includes bibliographical references (leaves 133-152). Also available via the World Wide Web.

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Rettig, Adam V. "Associations between benthic fishes and habitat at multiple spatial scales in headwater streams of the Missouri Ozarks /." free to MU campus, to others for purchase, 2003. http://wwwlib.umi.com/cr/mo/fullcit?p1418059.

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Kylafis, Grigorios. "Niche construction, facilitation and their ecological and evolutionary consequences." Thesis, McGill University, 2011. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=97086.

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Organisms modify their environment through their activities and by doing so, they modify evolutionary pressures acting on them, as well as the ecological conditions under which they grow and reproduce. Niche construction, as defined by Odling-Smee et al. (2003), is a concept that captures the reciprocal organism-environment interaction from an evolutionary perspective. However, niche construction in the sense of biotically-driven improvement of the ecological environment has been poorly explored to date. I derive a consumer-resource model to investigate the consequences of niche construction for its agent. I show that niche construction is a mechanism by which a species enhances its ecological persistence, via positive ecological feedbacks, and partially regulates its environment against external changes, via adaptive feedbacks. Next, I integrate niche construction into traditional competition models. A species that improves the level of a limiting niche factor via niche construction simultaneously competes with adjacent species via deteriorating impacts on the level of the same or other limiting niche factors. I observe that the interplay between niche improving and niche deteriorating impacts modifies the potential for species coexistence. Moreover, I show that the niche constructing species has a facilitative effect on the equilibrium abundance of its competitor. The prevalence of the facilitative effect, however, depends on both species' competitive hierarchies and the fertility of the ecosystem. Finally, I derive a model to investigate the evolution of the strength of facilitation between two competing species, when one species improves abiotic conditions to the advantage of its competitor but without any benefit to itself. In this case, I predict that high strength of facilitation evolves in productive ecosystems. Overall, my thesis provides a novel framework for the investigation of niche improving and niche deteriorating impacts and their combined effects on species coexistence, community structure and ecosystem functioning.
Par leurs activités, les êtres vivants changent leur environnement, modifiant ainsi les pressions évolutives qui les affectent, ainsi que les conditions écologiques présidant à leur croissance et leur reproduction. Telle que définie par Odling-Smee et al (2003), la construction de niche est un concept qui recouvre l'interaction réciproque entre l'organisme et son environnement selon une perspective évolutive. Cependant, la notion de construction de niche comme amélioration de l'environnement écologique par les êtres vivants est encore peu explorée. J'ai construit un modèle d'un consommateur et de sa ressource, afin d'explorer les conséquences de la construction de niche sur l'agent de cette construction. J'ai montré que la construction est un mécanisme grâce auquel une espèce persiste plus longtemps dans l'écosystème, via des feedbacks écologiques positifs, et régule son environnement face aux changements externes, via des feedbacks adaptifs. Par la suite, j'ai intégré la construction de niche à des modèles traditionnels de compétition. Une espèce qui, par construction de niche, augmente le niveau d'un facteur limitant, entre simultanément en compétition avec les espèces voisines par sa détérioration du niveau de ce facteur ou d'autres facteurs limitants. J'ai constaté que ce jeu entre impacts positifs et négatifs sur la niche écologique modifie le potentiel de coexistence entre les espèces. De plus, j'ai montré que l'espèce qui construit sa niche a un effet facilitateur sur l'abondance de son compétiteur à l'équilibre. Cependant, l'importance de cet effet facilitateur dépend de la hiérarchie entre les capacités compétitives des deux espèces et de la productivité de l'écosystème. Enfin, j'ai construit un modèle pour examiner comment évolue l'intensité de la facilitation entre deux espèces en compétition, lorsqu'une des espèces améliore les conditions abiotiques pour l'autre espèce, sans aucun bénéfice pour elle-même. Dans ce cas, je prédis l'évolution d'un effet de facilitation fort dans les écosystèmes productifs. Globalement, ma thèse fournit un cadre de travail nouveau pour explorer les impacts amélioratifs et détérioratifs de la construction de niche, ainsi que leurs effets combinés sur la coexistence des espèces, la structure des communautés et le fonctionnement des écosystèmes.

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Sackmann, Brandon S. "Remote Assessment of 4-D Phytoplankton Distributions off the Washington Coast." Fogler Library, University of Maine, 2007. http://www.library.umaine.edu/theses/pdf/SackmannBS2007.pdf.

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Wisheu, Irene Catherine. "Shared preference niche organization: Implications for community organization and diversity." Thesis, University of Ottawa (Canada), 1996. http://hdl.handle.net/10393/9578.

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Patterns of resource partitioning have been widely described, but the causes of these patterns are incompletely understood. To explore how the patterns are formed, I did a quantitative literature survey. In Chapter One, I (1) discuss current misconceptions in the literature, (2) document and describe five ways in which resource partitioning can occur, and (3) establish guidelines for predicting the two most common ways in which patterns of partitioning are formed. In Chapter One, the most common way in which patterns of resource partitioning were formed was through shared preference niche organization. Centrifugal organization extends shared preference organization from one resource gradient to multiple gradients. In Chapter Two, experimental evidence supporting the validity of the centrifugal organization model is reviewed and predictions of the model are presented. The centrifugal organization model predicts how the size of species pools changes along a resource gradient. Two other models from the literature make contradictory predictions. The three models were tested in Chapter Three using biomass/species composition data from 33 eastern North American wetlands. The resulting 640 quadrats produced a pattern of pool size consistent with a previously untested model, the species pool model. This model states that the pattern of pool size is the same as the pattern of alpha diversity along a biomass gradient. This suggests that (1) the more easily measured alpha diversity values can be used to predict where large species pools occur and (2) ecological processes that are associated with changes in alpha diversity may also influence the species pool.

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Books on the topic "Niche (Ecology)"

Koch, Klaus. Die Käfer Mitteleuropas. Krefeld: Goecke & Evers, 1989.

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Flint, R. Warren. Niche characterization of dominant estuarine benthic species. College Station, Tex: Sea Grant College Program, Texas A&M University, 1986.

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Arthur, Wallace. The niche in competition and evolution. Chichester [West Sussex]: Wiley, 1987.

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Probatova, N. S., and V. P. Seledet︠s︡. Ecological ranges and ecological niches of plant species in the monsoon zone of Pacific Russia. Hauppauge, N.Y: Nova Science Publishers, 2012.

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Sugihara, G. Niche hierarchy: Structure, organization, and assembly in natural systems. Plantation, FL: J. Ross Publishing, 2015.

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Katō, Makoto. Seimei wa saibu ni yadoritamau: Mikurohabitatto no shōuchū. Tōkyō: Iwanami Shoten, 2010.

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Alexander, Jason S. Hydrogeomorphic segments and hydraulic microhabitats of the Niobrara River, Nebraska: With special emphasis on the Niobrara National Scenic River. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2010.

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Dedkov, Viktor Pavlovich. Ėkologicheskai͡a︡ nisha i vodnyĭ balans dominantov pustynnykh fitot͡s︡enozov. Leningrad: Izd-vo Leningradskogo universiteta, 1989.

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Rissman, Rebecca. Microhabitats. Chicago, Ill: Capstone Heinemann Library, 2013.

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Spilsbury, Richard. Cave. Chicago, Ill: Capstone Heinemann Library, 2013.

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Book chapters on the topic "Niche (Ecology)"

Brake, Stephen C., Harry Shair, and Myron A. Hofer. "Exploiting the Nursing Niche." In Developmental Psychobiology and Behavioral Ecology, 347–88. Boston, MA: Springer US, 1988. http://dx.doi.org/10.1007/978-1-4684-5421-5_10.

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Rees, Paul A. "Community ecology and species interactions." In Key questions in ecology: a study and revision guide, 121–39. Wallingford: CABI, 2020. http://dx.doi.org/10.1079/9781789247572.0121.

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Abstract This chapter contains questions about the structure of biological communities, their development over time, and the interactions between the species living within them, especially competition, niche separation and predation.

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Darmawan, Muhamad, Nurrahmi Dewi Fajarningsih, Sihono, and Hari Eko Irianto. "Caulerpa: Ecology, Nutraceutical and Pharmaceutical Potential." In Marine Niche: Applications in Pharmaceutical Sciences, 299–318. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5017-1_17.

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Stevens, M. Henry H. "Competition, Colonization, and Temporal Niche Partitioning." In A Primer of Ecology with R, 255–83. New York, NY: Springer New York, 2009. http://dx.doi.org/10.1007/978-0-387-89882-7_9.

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Looijen, Rick C. "The Distinction Between Habitat and Niche." In Holism and Reductionism in Biology and Ecology, 193–219. Dordrecht: Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-015-9560-5_9.

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Steinberg, Christian E. W. "Direct Effects on Organisms and Niche Differentiation." In Ecology of Humic Substances in Freshwaters, 269–338. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-662-06815-1_8.

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Huntley, Brian John. "General Concepts in Ecology." In Ecology of Angola, 185–213. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-18923-4_9.

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AbstractThis Chapter details the hierarchy of ecological assembly, from organismic, to population, to community, to ecosystem and to landscape levels. The processes of evolution by natural selection, genetic differentiation and speciation are described. Measures of species richness, evenness, diversity, endemism and categories of threat are important to conservation needs assessment and are illustrated with examples from Africa. The use of models of life history patterns (such as r- and K-strategies), and of the concepts of the ecological niche and guild are explained. Interactions between consumers and their food source provides a basis for their classification into herbivores, carnivores, omnivores and decomposers. To these are added interactions between two species with reciprocal effects—predation, parasitism, mutualism and commensalism. At landscape scales, interactions within and between populations and communities of existing and immigrant species, and the rates of immigration and extinction, are explored using the theories of island biogeography and of metapopulations. The impact of invasive species on rural livelihoods is used to demonstrate the fragility of natural communities to anthropogenic disturbance.

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Prado, José Luis, and María Teresa Alberdi. "Ancient Feeding Ecology and Niche Differentiation of Pleistocene Horses." In The Latin American Studies Book Series, 101–18. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-55877-6_6.

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Barker, Gillian, and John Odling-Smee. "Integrating Ecology and Evolution: Niche Construction and Ecological Engineering." In History, Philosophy and Theory of the Life Sciences, 187–211. Dordrecht: Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-7067-6_10.

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Russell, P. J., T. J. Flowers, and M. J. Hutchings. "Comparison of niche breadths and overlaps of halophytes on salt marshes of differing diversity." In Ecology of coastal vegetation, 171–78. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-5524-0_18.

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Conference papers on the topic "Niche (Ecology)"

Chick, Lacy D. "Ecology and evolutionary history shape the thermal niche." In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.114113.

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Kadish, David, Sebastian Risi, and Laura Beloff. "An artificial life approach to studying niche differentiation in soundscape ecology." In The 2019 Conference on Artificial Life. Cambridge, MA: MIT Press, 2019. http://dx.doi.org/10.1162/isal_a_00140.

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Maguire, Kaitlin Clare. "NICHE DYNAMICS IN SPACE AND TIME: THE NEXUS OF ECOLOGY AND EVOLUTION." In GSA Annual Meeting in Seattle, Washington, USA - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017am-303398.

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Muruganantham, Kaaviya, Ezekiel King Phillips, and Yurena Yanes. "ASSESSING NICHE PARTITIONING AMONG INTRODUCED AND NATIVE SLUGS USING STABLE ISOTOPE ECOLOGY." In GSA Connects 2021 in Portland, Oregon. Geological Society of America, 2021. http://dx.doi.org/10.1130/abs/2021am-367894.

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Eldridge, Alice, and Chris Kiefer. "Toward a Synthetic Acoustic Ecology: Sonically Situated, Evolutionary Agent Based Models of the Acoustic Niche Hypothesis." In The 2018 Conference on Artificial Life. Cambridge, MA: MIT Press, 2018. http://dx.doi.org/10.1162/isal_a_00059.

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Norris, Liam, Rowan Martindale, Henry Fricke, and Aaron M. Satkoski. "RECONSTRUCTING DINOSAUR ECOLOGY AND NICHE UTILIZATION IN THE JURASSIC USING C, O, AND CA STABLE ISOTOPES IN TEETH." In GSA Connects 2022 meeting in Denver, Colorado. Geological Society of America, 2022. http://dx.doi.org/10.1130/abs/2022am-377333.

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Bobkova, Natalia Victorovna, Rimma Alekseevna Poltavtseva, Daria Jurievna Zhdanova, Vladimir Igorevich Kovalev, and Alina Vadimovna Chaplygina. "THE EFFECT OF YB-1 PROTEIN IN СHIMERIC MODEL OF ALZHEIMER’S DISEASE." In NEW TECHNOLOGIES IN MEDICINE, BIOLOGY, PHARMACOLOGY AND ECOLOGY. Institute of information technology, 2021. http://dx.doi.org/10.47501/978-5-6044060-1-4.10.

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The paper focuses on the molecular cell interaction of human mesenchymal stromal cells with the hippocampal primary culture of transgenic XFAD mice and the effect of multifunctional YB-1 protein on the memory and state of adult neurogenesis niches in animals with a chi-meric model of Alzheimer's disease. The results suggest the usefulness of a comprehensive use of cell therapy in combination with YB-1 to activate compensatory mechanisms in patients with Alzheimer's disease.

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Wang, Yisha, and Wei Ding. "Artistic Features and Expression Contents of Portrait Bricks in Cultural Ecology —— Taking Portrait Bricks Unearthed in Zhejiang, China as an Example." In 14th International Conference on Applied Human Factors and Ergonomics (AHFE 2023). AHFE International, 2023. http://dx.doi.org/10.54941/ahfe1003696.

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The mapping from biological to cultural ecological niches is a guide to finding the most suitable ecological niches in a system of individuals or populations. Portrait bricks are a central reflection of Chinese people's livelihood, thought, literature and religion, and have been an important decorative tool in houses and tombs for many generations. This paper analyzes and summarizes the artistic features and expressions of Han Dynasty portrait bricks in Zhejiang Province, China, and constructs an analysis model of Han portrait bricks under ecological evolution.

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Slater, Graham, Anna Wisniewski, and Jonathan A. Nations. "PREDICTING MULTIVARIATE ECOLOGY FROM PHYLOGENETIC COMPARATIVE DATA YIELDS NOVEL INSIGHTS INTO THE NICHES OF FOSSIL TAXA." In GSA Connects 2022 meeting in Denver, Colorado. Geological Society of America, 2022. http://dx.doi.org/10.1130/abs/2022am-383707.

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