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Artigos de revistas sobre o tema "Habitat (Ecology)"

Autor: Grafiati

Publicado: 4 de junho de 2021

Última modificação: 25 de julho de 2025

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1

Tokushima, Hideyuki, and Peter J. Jarman. "Ecology of the rare but irruptive Pilliga mouse, Pseudomys pilligaensis. IV. Habitat ecology." Australian Journal of Zoology 63, no. 1 (2015): 28. http://dx.doi.org/10.1071/zo14057.

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We determined preferences of the Pilliga mouse, Pseudomys pilligaensis, for habitat attributes (ground and vegetation cover) through phases of a population irruption, and characterised refuge sites used when environmental conditions were unfavourable. In general, P. pilligaensis preferred areas with substrate dominated by sand and shrubs rather than rock or litter. However, its habitat selection changed with phases of the irruption. In the Increase phase, it showed no strong habitat preferences, perhaps because the abundance of food (seeds) overrode preferences for more stable habitat values.

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Crain, Benjamin J., Ana María Sánchez-Cuervo, Jeffrey W. White, and Steven J. Steinberg. "Conservation ecology of rare plants within complex local habitat networks." Oryx 49, no. 4 (2014): 696–703. http://dx.doi.org/10.1017/s0030605313001245.

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AbstractEffective conservation of rare plant species requires a detailed understanding of their unique distributions and habitat requirements to identify conservation targets. Research suggests that local conservation efforts may be one of the best means for accomplishing this task. We conducted a geographical analysis of the local distributions of rare plants in Napa County, California, to identify spatial relationships with individual habitat types. We measured the potential contribution of individual habitats to rare plant conservation by integrating analyses on overall diversity, species p

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Kocik, John F., and C. Paola Ferreri. "Juvenile production variation in salmonids: population dynamics, habitat, and the role of spatial relationships." Canadian Journal of Fisheries and Aquatic Sciences 55, S1 (1998): 191–200. http://dx.doi.org/10.1139/d98-015.

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Anadromous Atlantic salmon (Salmo salar) exhibit a complex life history that requires the use of habitats that span several different temporal and spatial scales. While fisheries scientists have investigated the various elements of habitat and how they affect Atlantic salmon growth and survival, these studies typically focus on requisite requirements for a single life history stage. Current advances in our understanding of salmonid populations in lotic systems indicates that ignoring the spatial positioning of different habitats and dispersal capabilities of fish between them may affect estima

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4

Meynecke, J. O. "Coastal habitat connectivity ? implications for declared fish habitat networks in Queensland, Australia." Pacific Conservation Biology 15, no. 2 (2009): 96. http://dx.doi.org/10.1071/pc090096.

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Estuaries are widely recognized as key habitats supporting nearshore secondary production and catch of commercial fisheries. In Queensland, some of these coastal marine habitats are protected by the declared fish habitat programme run by the Department of Primary Industries and Fisheries. Expected environmental changes for Australian estuarine systems include reduced freshwater flow, increased sedimentation and with them, a loss of connectivity. At present, the relationship between the protected declared fish habitat and habitat connectivity remains unknown. By comparing long term coastal fish

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Grzędzicka, Emilia. "Assessment of Habitat Selection by Invasive Plants and Conditions with the Best Performance of Invasiveness Traits." Diversity 15, no. 3 (2023): 333. http://dx.doi.org/10.3390/d15030333.

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Habitat selection is one of the fundamental concepts in ecology and means that each organism should choose the habitat that will maximize its success. Invaders may be an underestimated object in research on habitat selection. Invasive plants experience enormous propagule pressure and bear the costs of spreading in disturbed anthropogenic habitats. It means that they do not necessarily achieve maximum invasiveness traits in such habitats, which they selected to colonize. This study aimed to assess habitats where invaders are likely to occur from the set of all available ones in the landscape an

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Moore, Kelly M. S., and Stanley V. Gregory. "Summer Habitat Utilization and Ecology of Cutthroat Trout Fry (Salmo clarki) in Cascade Mountain Streams." Canadian Journal of Fisheries and Aquatic Sciences 45, no. 11 (1988): 1921–30. http://dx.doi.org/10.1139/f88-224.

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Emergent cutthroat trout fry (Salmo clarki) were observed in the margins, backwaters, and side channels, collectively called "lateral habitats," of three study streams with different riparian vegetation. Most fry remained in these lateral habitats until the end of their first summer. The abundance of cutthroat fry was proportional to the area of lateral habitat in each of the study streams. Average size and growth rate of fry were related to the effect of site elevation on stream temperature and the influence of riparian vegetation on the availability of invertebrate food. Lateral habitats are

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Martín, José, Jesús Ortega, Roberto García-Roa, Gonzalo Rodríguez-Ruiz, Ana Pérez-Cembranos, and Valentín Pérez-Mellado. "Effects of Anthropogenic Disturbance of Natural Habitats on the Feeding Ecology of Moorish Geckos." Animals 13, no. 8 (2023): 1413. http://dx.doi.org/10.3390/ani13081413.

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Urbanization and anthropic influences can drastically modify a natural habitat and transform it into an easily recognizable “urban habitat”. Human activities can also induce less severe modifications of what apparently might still look like natural habitats. Therefore, these subtle alterations may be hidden but can still cause important negative effects on plant and animals. In contrast, some species seem able to take advantage of these anthropic alterations. Here, we examined the possible effects of the anthropogenic disturbance of an apparent natural habitat on the feeding ecology and body c

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Knierim, Tyler. "Spatial ecology study reveals nest attendance and habitat preference of banded kraits (Bungarus fasciatus)." Herpetological Bulletin, no. 150, Winter 2019 (December 31, 2019): 6–13. http://dx.doi.org/10.33256/hb150.613.

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An understanding of the spatial ecology of species living in and around human-dominated habitats is needed to develop conflict mitigation strategies and predict how organisms cope with ongoing anthropogenic habitat alteration. Here we present the results of a six-month telemetry study in Thailand of the banded krait (Bungarus fasciatus), a venomous elapid snake. We quantified home range size and habitat use of three adult kraits (1 male, 2 females) in an agricultural habitat. The kraits travelled an average of 47.20 m ± 23.54 m between shelter sites and occupied home ranges of on average 21.45

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Memmott, Jane. "Food webs: a ladder for picking strawberries or a practical tool for practical problems?" Philosophical Transactions of the Royal Society B: Biological Sciences 364, no. 1524 (2009): 1693–99. http://dx.doi.org/10.1098/rstb.2008.0255.

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While food webs have provided a rich vein of research material over the last 50 years, they have largely been the subject matter of the pure ecologist working in natural habitats. While there are some notable exceptions to this trend, there are, as I explain in this paper, many applied questions that could be answered using a food web approach. The paper is divided into two halves. The first half provides a brief review of six areas where food webs have begun to be used as an applied tool: restoration ecology, alien species, biological control, conservation ecology, habitat management and glob

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Usnaddinovich, Tilepov Janabay, and Jumamuratova Anarkhan Abatovna. "Insecta: ecology of coleoptera." American Journal Of Agriculture And Horticulture Innovations 5, no. 3 (2025): 14–16. https://doi.org/10.37547/ajahi/volume05issue03-04.

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Coleoptera, commonly known as beetles, represent the largest order of insects, with over 350,000 described species occupying diverse ecosystems worldwide. Their ecological roles are crucial for maintaining environmental balance, as they function as herbivores, predators, decomposers, and pollinators. This article explores the habitat diversity of beetles, their feeding ecology, reproductive strategies, and interactions within ecosystems. Additionally, it examines the adaptive mechanisms that enable Coleoptera to thrive in various environmental conditions. Human activities, including habitat de

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Mumford, Eric P. "Habitat: ecology thinking in architecture." Journal of Architecture 26, no. 7 (2021): 1112–15. http://dx.doi.org/10.1080/13602365.2021.1984025.

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Gaillard, Jean-Michel, Mark Hebblewhite, Anne Loison, et al. "Habitat–performance relationships: finding the right metric at a given spatial scale." Philosophical Transactions of the Royal Society B: Biological Sciences 365, no. 1550 (2010): 2255–65. http://dx.doi.org/10.1098/rstb.2010.0085.

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The field of habitat ecology has been muddled by imprecise terminology regarding what constitutes habitat, and how importance is measured through use, selection, avoidance and other bio-statistical terminology. Added to the confusion is the idea that habitat is scale-specific. Despite these conceptual difficulties, ecologists have made advances in understanding ‘how habitats are important to animals’, and data from animal-borne global positioning system (GPS) units have the potential to help this clarification. Here, we propose a new conceptual framework to connect habitats with measures of an

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Lélias, Marie-Loup, Alban Lemasson, and Thierry Lodé. "Social organization of otters in relation to their ecology." Biological Journal of the Linnean Society 133, no. 1 (2021): 1–27. http://dx.doi.org/10.1093/biolinnean/blab016.

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Abstract Otter species are known to fluctuate intraspecifically from a solitary lifestyle to group-living arrangements. By examining what is known about habitat use and foraging style in otters of 13 different species, based on 93 studied sites, we assessed (1) the relationship between social habits and preferred habitats, (2) the relationship between species and prey preferences, and (3) the effect of predator avoidance on their social organization in order to assess the socio-ecological factors influencing otters. Females remain the core of their social stability. We show the major influence

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Manzur, Tatiana, Mario Barahona, and Sergio A. Navarrete. "Ontogenetic changes in habitat use and diet of the sea-star Heliaster helianthus on the coast of central Chile." Journal of the Marine Biological Association of the United Kingdom 90, no. 3 (2009): 537–46. http://dx.doi.org/10.1017/s0025315409990786.

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Ontogenetic shifts in habitat use and diet are ubiquitous in nature and usually have profound consequences for the ecology and evolution of the species. In the case of species with strong interactions within their communities, such as keystone predators, understanding this kind of size-related change is critical to understand variation and connectivity among spatially distinct habitats of coastal communities. Yet the ecology of early life stages of marine benthic invertebrates, particularly asteroids, is poorly understood. Here we describe the results of surveys to characterize the habitat and

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Lakhani, Leena, Dilip Soni, and Brahmadeep Alune. "DANGERS OF PESTICIDES ON WILDLIFE ECOLOGY." International Journal of Research -GRANTHAALAYAH 3, no. 9SE (2015): 1–3. http://dx.doi.org/10.29121/granthaalayah.v3.i9se.2015.3205.

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Wildlife includes plants, insects, fish, amphibians, reptiles, birds and mammals and many other animals. Each species has certain niche for its specific food, shelter and breeding site. The place where specie has all of its living requirements becomes that species habitat. The wild life habitats include native and man-made, exist in urban settings, in agricultural fields and in the wilderness. Pesticides applied in many forms to forests, rangeland, aquatic habitats, farmland, urban turf and gardens. Pesticides poisoning to wildlife may result from acute or chronic exposure, via secondary expos

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Leena, Lakhani, Soni Dilip, and Alune Brahmadeep. "DANGERS OF PESTICIDES ON WILDLIFE ECOLOGY." International Journal of Research - GRANTHAALAYAH 3, no. 9 (Special Edition) (2017): 1–3. https://doi.org/10.5281/zenodo.847100.

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Wildlife includes plants, insects, fish, amphibians, reptiles, birds and mammals and many other animals. Each species has certain niche for its specific food, shelter and breeding site. The place where specie has all of its living requirements becomes that species habitat. The wild life habitats include native and man-made, exist in urban settings, in agricultural fields and in the wilderness. Pesticides applied in many forms to forests, rangeland, aquatic habitats, farmland, urban turf and gardens. Pesticides poisoning to wildlife may result from acute or chronic exposure, via secondary expos

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17

Longmire, KS, RD Seitz, A. Smith, and RN Lipcius. "Saved by the shell: Oyster reefs can shield juvenile blue crabs Callinectes sapidus." Marine Ecology Progress Series 672 (August 19, 2021): 163–73. http://dx.doi.org/10.3354/meps13781.

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Juvenile blue crabs Callinectes sapidus use seagrass and other structured habitats as refuges from predation. Oyster reef habitats provide structural complexity that may offer refuge, but the value of these habitats for juvenile blue crabs has not been examined. We quantified survival of juvenile C. sapidus in structured oyster reef habitat versus unstructured soft-bottom habitat. In a field tethering experiment in the York River, lower Chesapeake Bay (USA), juvenile C. sapidus (10-50 mm carapace width [CW]) were tethered in sand (n = 40) or oyster reef (n = 39) habitats at subtidal sites 1-2

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Peterson, Mark S., and Michael J. Andres. "Progress on Research Regarding Ecology and Biodiversity of Coastal Fisheries and Nektonic Species and Their Habitats within Coastal Landscapes." Diversity 13, no. 4 (2021): 168. http://dx.doi.org/10.3390/d13040168.

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This paper aims to highlight the new research and significant advances in our understanding of links between coastal habitat quality/quantity/diversity and the diversity of fisheries species and other mobile aquatic species (hereafter nekton) that use them within coastal landscapes. This topic is quite diverse owing to the myriad of habitat types found in coastal marine waters and the variety of life history strategies fisheries species and nekton use in these environments. Thus, we focus our review on five selective but relevant topics, habitat templates, essential fish habitat, habitat mosai

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Fairbairn, D. J. "Comparative ecology of Gerris remigis (Hemiptera: Gerridae) in two habitats: a paradox of habitat choice." Canadian Journal of Zoology 63, no. 11 (1985): 2594–603. http://dx.doi.org/10.1139/z85-388.

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This study compares the population ecology of Gerris remigis (Hemiptera: Gerridae) in two habitats: a cool mountain stream, representing the characteristic habitat of this species, and the atypical habitat of a small, warm pond. Neither habitat supported breeding populations of any other gerrid species. The populations on the two sites were found to differ significantly with respect to population dynamics, dispersal, phenology, and wing dimorphism. Overall, the population on the pond was more productive than that on the stream, indicating that G. remigis can be highly successful in a warm, len

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Probst, Remo, and Renate Probst. "Winter Ecology of the Hen Harrier, Circus cyaneus: Bridging Behavioral Insights and Conservation Requirements." Animals 15, no. 7 (2025): 1057. https://doi.org/10.3390/ani15071057.

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The hen harrier, Circus cyaneus, is a migratory raptor that relies on open grasslands as key winter habitats in Central Europe, where it predominantly preys on common voles, Microtus arvalis. However, habitat loss due to agricultural intensification, land use change, and human disturbances increasingly threatens these landscapes. Using the framework of conservation behavior, this study examines how hen harriers respond to human-induced environmental changes, how behavior-based habitat management can support conservation, and how behavioral indicators such as territoriality inform conservation

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Lyons, Melinda D., and Daniel L. Kelly. "Plant community ecology of petrifying springs (Cratoneurion) – a priority habitat." Phytocoenologia 47, no. 1 (2017): 13–32. http://dx.doi.org/10.1127/phyto/2016/0101.

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Lodé, Thierry. "Habitat Selection and Mating Success in a Mustelid." International Journal of Zoology 2011 (2011): 1–6. http://dx.doi.org/10.1155/2011/159462.

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Habitat selection remains a poorly understood ecological process, but relating mating behaviour to pattern of habitat selection constitutes a fundamental issue both in evolutionary ecology and in biological conservation. From radiotelemetry protocol, habitat-induced variations in mating success were investigated in a solitary mustelid carnivore, the European polecatMustela putorius. Selection for marshy habitat was regarded as adaptive in that mating success was found greater using marches than other habitats. Males consorted with 1.3 females, revealing a low polygyny rate. Pregnant or lactati

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Tyser, Robin. "Ecology of Fescue Grasslands in Glacier National Park." UW National Parks Service Research Station Annual Reports 13 (January 1, 1989): 61–64. http://dx.doi.org/10.13001/uwnpsrc.1989.2783.

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Fescue grasslands are small, but ecologically significant, habitat types in several drainages within Glacier Park. An up-to-date, systematic study of the plant and animal communities of these grasslands is needed to assess factors which may potentially impact these habitats, including invasion of exotic vegetation, fire suppression, and human development (e.g. sewage line and road construction).

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Peck, Lloyd S. "Ecology of Articulated Brachiopods." Paleontological Society Papers 7 (November 2001): 171–84. http://dx.doi.org/10.1017/s1089332600000954.

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Ecology is the study of the relationships between organisms and their environments. For brachiopods living in marine habitats the main external factors of interest are temperature, water chemistry, light characteristics, and oxygen availability. However, organisms also modify their environments and in many cases the biotic environment may dictate changes or organism responses. Factors of importance here for animals are resources consumed (usually food items), predators that consume the species under study, organisms that compete for resources, organisms that provide benefits such as symbiotic

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Selås, Vidar, Gunnar Bjar, Ola Betten, Lars Olav Tjeldflaat, and Olav Hjeljord. "Feeding Ecology of Roe Deer, Capreolus capreolus L., during summer in southeastern Norway." Fauna norvegica 12 (December 31, 1991): 5–11. http://dx.doi.org/10.5324/fn.v12i0.6053.

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Ten radiocollared Roe deer were followed over three summers, resulting in 2316 map locations. The animals utilized a mixture of forest and agricultural land. Cover and forage availability were the main determinants of habitat selection. Forest plantations on rich sites were the most preferred habitat. Open habitats like meadows were used mostly at night. Grain-fields were avoided. The animals fed on a variety of forbs and browse species, particularly wood anemone (Anemone nemorosa L.) in early spring, and meadosweet (Filipendula ulmaria L.) throughout the summer. Browsing increased from early

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Noguchi, Hideyuki, Akira Itoh, Takashi Mizuno, et al. "Habitat divergence in sympatric Fagaceae tree species of a tropical montane forest in northern Thailand." Journal of Tropical Ecology 23, no. 5 (2007): 549–58. http://dx.doi.org/10.1017/s0266467407004403.

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Spatial distributions of many tropical trees are skewed to specific habitats, i.e. habitat specialization. However, habitats of specialist species must be divergent, i.e. habitat divergence, to coexist in a local community. When a pair of species specialize in the same habitat, i.e. habitat convergence, they could not coexist by way of habitat specialization. Thus, analyses of habitat divergence, in addition to habitat specialization, are necessary to discuss coexistence mechanisms of sympatric species. In this study, the habitat specialization and habitat divergence along topographic gradient

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M. Date, E., H. F. Recher, H. A. Ford, and D. A. Stewart. "The conservation and ecology of rainforest pigeons in northeastern New South Wales." Pacific Conservation Biology 2, no. 3 (1995): 299. http://dx.doi.org/10.1071/pc960299.

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A survey of conservation reserves, rainforest remnants and agricultural districts in northeastern New South Wales was conducted to determine the abundance, movements and habitat requirements of rainforest pigeons, to evaluate the extent and use of suitable habitat in conservation reserves, and to provide guidelines for the conservation and management of rainforest pigeons. Eight species of rainforest pigeon occur in northeastern New South Wales. Commencing with the clearing of rainforest in the 1860s for agriculture, rainforest pigeons declined in abundance throughout New South Wales and by th

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Vasconcelos, Rita P., David B. Eggleston, Olivier Le Pape, and Ingrid Tulp. "Patterns and processes of habitat-specific demographic variability in exploited marine species." ICES Journal of Marine Science 71, no. 3 (2013): 638–47. http://dx.doi.org/10.1093/icesjms/fst136.

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Abstract Population dynamics are governed by four demographic rates: births, deaths, immigration, and emigration. Variation in these rates and processes underlying such variation can be used to prioritize habitat conservation and restoration as well as to parameterize models that predict habitat-specific effects on population dynamics. The current understanding of patterns of habitat-specific demographic variability in exploited marine species, as well as processes underlying these patterns, was reviewed. We describe patterns of (i) habitat-specific density, followed by ontogenetic changes in

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Krebs, Charles J. "Whither mammalian ecology?" Journal of Mammalogy 101, no. 5 (2020): 1224–30. http://dx.doi.org/10.1093/jmammal/gyaa072.

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Abstract The critical agenda for mammalian ecologists over this century is to obtain a synthetic and predictive understanding of the factors that limit the distribution and abundance of mammals on Earth. During the last 100 years, a start has been made on this agenda, but only a start. Most mammal species have been described, but there still are tropical areas of undisclosed species richness. We have been measuring changes in distribution and abundance of many common mammals during the last century, and this monitoring agenda has become more critical as climate change has accelerated and habit

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BÎRSAN, Cipran, Ana COJOCARIU, and Elena CENUŞĂ. "Distribution and Ecology of Clathrus archeri in Romania." Notulae Scientia Biologicae 6, no. 3 (2014): 288–91. http://dx.doi.org/10.15835/nsb639389.

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Although Clathrus archeri is a widely spread species in the Western Europe, in Romania it is considered a rare species, identified from only eight sites. In July 2013, it was found in two new sites from Gurghiu and Bârgău Mountains, in the Romanian Eastern Carpathians. This paper presents a detailed description of the new recorded specimens and of the habitat where this fungus was found. Plant communities where Clathrus archeri was recorded belong to the “mountain hay meadows” habitat type (Festuco rubrae - Agrostietum capillaris community). Taking into consideration the previous published dat

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Seitz, Rochelle D. "Value of coastal habitats for exploited species: introduction to a theme set of articles." ICES Journal of Marine Science 71, no. 3 (2014): 636–37. http://dx.doi.org/10.1093/icesjms/fst180.

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Abstract Many exploited fish and invertebrate species use coastal habitats during one or more life-history stages as spawning, feeding, and nursery areas; yet, the value of these habitats has not been adequately characterized. As habitat availability can be a bottleneck for many populations, concerns about habitat effects on exploited species have been increasing. We have compiled nine articles presenting the state of knowledge and future research priorities regarding the importance of habitat for exploited species. Reviews from European habitats and several geographical locations throughout t

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Belovsky, Gary E. "Insights for caribou/reindeer management using optimal foraging theory." Rangifer 11, no. 4 (1991): 7. http://dx.doi.org/10.7557/2.11.4.987.

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Optimal foraging theory is useful to wildlife managers, because it helps explain the nutritional value of different habitats for wildlife species. Based upon nutritional value, the use of different habitats can be predicted, including how factors such as insect harassment, predation and migration might modify habitat selection. If habitat value and use can be understood, then changes in habitat availability which are of concern to wildlife managers can be assessed. The theory is used to address diet choice and habitat use of caribou/reindeer. Diet choice is examined in terms of lichen composit

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Hartung, Sarah C., and Jeffrey D. Brawn. "Effects of Savanna Restoration on the Foraging Ecology of Insectivorous Songbirds." Condor 107, no. 4 (2005): 879–88. http://dx.doi.org/10.1093/condor/107.4.879.

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Abstract We studied the foraging behavior of insectivorous songbirds during the breeding season at four sites in Illinois, each with restored open-canopy savanna habitat (65% mean canopy closure) and closed-canopy forests (89% mean canopy closure). We sampled and compared apparent tree species preference, foliage layer preference, and proportional use of different prey-attack maneuvers in the two habitats. In closed-canopy forests, three of nine songbird species foraged in black oak (Quercus velutina) and white oak (Q. alba) more than expected based on availability, and foraged less than expec

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Hanrahan, Alexander T., Andrew U. Rutter, Clayton K. Nielsen, and Eric M. Schauber. "Spatial ecology of river otters in a human-modified landscape." Journal of Mammalogy 100, no. 4 (2019): 1327–39. http://dx.doi.org/10.1093/jmammal/gyz095.

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AbstractRiver otter populations have expanded across much of their historical range, including in Illinois where they were reintroduced from 1994 to 1997. These expanding populations are recolonizing a wide range of landscapes with different levels of human modification, which could influence how river otters use space in relation to habitat characteristics and each other. Our objectives were to quantify 1) home ranges and core areas, 2) sociality, and 3) habitat selection across all available habitats and within home ranges (second- and third-order selection, respectively) of 22 radiomarked r

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Sundblad, Göran, Ulf Bergström, Alfred Sandström, and Peter Eklöv. "Nursery habitat availability limits adult stock sizes of predatory coastal fish." ICES Journal of Marine Science 71, no. 3 (2013): 672–80. http://dx.doi.org/10.1093/icesjms/fst056.

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Abstract Habitat protection is a strategy often proposed in fisheries management to help maintain viable populations of exploited species. Yet, quantifying the importance of habitat availability for population sizes is difficult, as the precise distribution of essential habitats is poorly known. To quantify the contribution from coastal nursery habitats to exploited fish population sizes, we related adult density to the amount of nursery habitat available for 12 populations of the two dominant predatory fish species in a 40 000-km2 archipelago area of the Baltic Sea. Habitat distribution was m

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Guisan, Antoine, and Niklaus E. Zimmermann. "Predictive habitat distribution models in ecology." Ecological Modelling 135, no. 2-3 (2000): 147–86. http://dx.doi.org/10.1016/s0304-3800(00)00354-9.

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O'CONNOR, R. J. "Avian Ecology: Habitat Selection in Birds." Science 230, no. 4728 (1985): 933. http://dx.doi.org/10.1126/science.230.4728.933.

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MILNER, ALEXANDER M., and GEOFFREY E. PETTS. "Glacial rivers: physical habitat and ecology." Freshwater Biology 32, no. 2 (1994): 295–307. http://dx.doi.org/10.1111/j.1365-2427.1994.tb01127.x.

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Jayawardana, J. M. C. K., Martin Westbrooke, Michael Wilson, and Cameron Hurst. "Macroinvertebrate communities in willow (Salix spp.) and reed beds (Phragmites australis) in central Victorian streams in Australia." Marine and Freshwater Research 57, no. 4 (2006): 429. http://dx.doi.org/10.1071/mf05139.

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Exotic willows (Salix spp.) are widespread riparian tree species of rivers in temperate Australia and New Zealand. Despite being considered as a weed of national significance, little is known about the habitat value of willows and the impact on aquatic biota of vegetation change following willow management programmes. Macroinvertebrate fauna in root habitats of willows and Phragmites australis habitats were examined in three central Victorian rivers to understand the effect of such littoral habitat changes on macroinvertebrates. Data were analysed using Partially Nested Factorial ANOVA with se

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Araújo, Luzia Márcia, and Geraldo Wilson Fernandes. "Altitudinal patterns in a tropical ant assemblage and variation in species richness between habitats." Lundiana: International Journal of Biodiversity 4, no. 2 (2003): 103–9. http://dx.doi.org/10.35699/2675-5327.2003.21860.

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The distribution of ants along an altitudinal gradient from 800 m to 1500 m was studied in southeastern Brazil. Two hypotheses were tested: a) “the altitudinal gradient hypothesis”, which predicts that ant species richness decreases with increasing altitude; and b) “the habitat favourability hypothesis”, which predicts that ant species richness is higher in mesic habitats than in xeric habitats, independent of altitude. Pairs of mesic and xeric habitats were randomly established and replicated three times at each 100 m of elevation. Mesic habitats were those along washes, creeks and rivers whi

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Hazell, Donna. "Frog ecology in modified Australian landscapes: a review." Wildlife Research 30, no. 3 (2003): 193. http://dx.doi.org/10.1071/wr02075.

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Frog decline in Australia has often occurred where habitat is relatively intact. Habitat alteration and loss do, however, threaten many species. Widespread degradation of aquatic and terrestrial systems has occurred since European settlement, with only 6.4% of Australia's landmass reserved for conservation. But what do we know about how frogs use modified Australian landscapes? Do wildlife managers have the information required to ensure that frog habitat is considered in the management and revegetation of these areas? This review examines published Australian research on frogs to determine kn

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Rosenfeld, Jordan S., and Todd Hatfield. "Information needs for assessing critical habitat of freshwater fish." Canadian Journal of Fisheries and Aquatic Sciences 63, no. 3 (2006): 683–98. http://dx.doi.org/10.1139/f05-242.

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The core assumptions of critical habitat designation are a positive relationship between habitat and population size and that a minimum habitat area is required to meet a recovery target. Effects of habitat on population limitation scale from (i) effects on performance of individuals (growth, survival, fecundity) within a life history stage, to (ii) limitation of populations by habitats associated with specific life history stages, and (iii) larger-scale habitat structure required for metapopulation persistence. The minimum subset of habitats required to achieve a recovery target will depend o

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Rosenzweig, Michael L. "Reconciliation ecology and the future of species diversity." Oryx 37, no. 2 (2003): 194–205. http://dx.doi.org/10.1017/s0030605303000371.

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Species-area relationships (SPARs) dictate a sea change in the strategies of biodiversity conservation. SPARs exist at three ecological scales: Sample-area SPARs (a larger area within a biogeographical province will tend to include more habitat types, and thus more species, than a smaller one), Archipelagic SPARs (the islands of an archipelago show SPARs that combine the habitat-sampling process with the problem of dispersal to an island), and Interprovincial SPARs (other things being equal, the speciation rates of larger biogeographical provinces are higher and their extinction rates are lowe

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Johnson, Joseph S., Michael J. Lacki, and Michael D. Baker. "Foraging Ecology of Long-legged Myotis (Myotis volans) In North-central Idaho." Journal of Mammalogy 88, no. 5 (2007): 1261–70. https://doi.org/10.5281/zenodo.14819899.

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(Uploaded by Plazi for the Bat Literature Project) Limited information exists on the foraging ecology of the long-legged myotis (Myotis volanst, especially with regard to use of available foraging habitats in large, relatively contiguous forested landscapes. During the summers of 2004 and 2005, we radiotagged adult long-legged myotis (n = 70) in north-central Idaho to estimate the size of home ranges and to evaluate use of available foraging habitats. Size of home range and core areas was measured for individuals with 1 locations (n = 30) using the adaptive kernel method, and selection among a

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Crear, DP, RJ Latour, MAM Friedrichs, P. St-Laurent, and KC Weng. "Sensitivity of a shark nursery habitat to a changing climate." Marine Ecology Progress Series 652 (October 15, 2020): 123–36. http://dx.doi.org/10.3354/meps13483.

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Nursery area habitats such as estuaries are vital for the success of many fish populations. Climate change is altering conditions in these areas, which can thus impact the availability of suitable nursery habitat. The sandbar shark Carcharhinus plumbeus uses Chesapeake Bay (USA) as a nursery habitat during the summer months from birth up to 10 yr of age. To assess the impacts of climate change on juvenile sandbar sharks, we developed a habitat model using longline data collected from a fishery-independent survey within Chesapeake Bay. With this model, we projected contemporary and future distr

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Pratt, Thomas C., and Karen E. Smokorowski. "Fish habitat management implications of the summer habitat use by littoral fishes in a north temperate, mesotrophic lake." Canadian Journal of Fisheries and Aquatic Sciences 60, no. 3 (2003): 286–300. http://dx.doi.org/10.1139/f03-022.

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Compensation measures in response to Fisheries and Oceans Canada (DFO) Policy for the Management of Fish Habitat includes provisions for habitat creation and enhancement. Thus, an assessment of nearshore habitat utilization patterns by fishes is needed to put DFO compensation measures in the context of the "no net loss of the productive capacity of fish habitat" directive. Measures of abundance, richness, and diversity of fishes were compared across nine habitat types in a lake using rapid visual underwater assessment. Multivariate analyses separated habitats into three groups and identified t

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Sá, Amanda Aciely Serafim de, Ramon Pereira da Silva, Francisca Xavier Quintino Neta, et al. "Análise bibliométrica da produção científica sobre a hipótese da quantidade de habitat." OBSERVATÓRIO DE LA ECONOMÍA LATINOAMERICANA 22, no. 7 (2024): e5995. http://dx.doi.org/10.55905/oelv22n7-270.

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A Hipótese da Quantidade de Habitat (Habitat Amount Hypothesis) é um tema recente na ecologia de paisagens, e pressupõe que a quantidade de habitat em uma paisagem local é o principal determinante da riqueza de espécies. A análise das publicações científicas sobre esse tema pode orientar futuros trabalhos. O objetivo desse trabalho foi fazer uso dessa ferramenta de análise bibliométrica para compreender a evolução bibliométrica do tema Hipotese da Quantidade de Habitat. Este estudo utilizou a análise bibliométrica, uma metodologia quantitativa, para identificar o volume e o padrão de crescimen

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McLeod, S. R., and A. R. Pople. "Modelling the distribution and relative abundance of feral camels in the Northern Territory using count data." Rangeland Journal 32, no. 1 (2010): 21. http://dx.doi.org/10.1071/rj09057.

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The objectives of this study were to predict the potential distribution, relative abundance and probability of habitat use by feral camels in southern Northern Territory. Aerial survey data were used to model habitat association. The characteristics of ‘used’ (where camels were observed) v. ‘unused’ (pseudo-absence) sites were compared. Habitat association and abundance were modelled using generalised additive model (GAM) methods. The models predicted habitat suitability and the relative abundance of camels in southern Northern Territory. The habitat suitability maps derived in the present stu

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Johnston, Gerald R., Eric Suarez, Joseph C. Mitchell, Georgia A. Shemitz, Peter L. Butt, and Matthew Kaunert. "Population ecology of the snapping turtle (Chelydra serpentina osceola) in a northern Florida river." Bulletin of the Florida Museum of Natural History 51, no. 4 (2012): 243–56. http://dx.doi.org/10.58782/flmnh.enxa4516.

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Snapping turtles (Chelydra serpentina) occur in nearly every type of freshwater habitat in North America east of the Rocky Mountains, but little is known about the ecology of populations in the southern part of their range, as well as those in lotic habitats. We conducted a mark-recapture study of the Florida snapping turtle (C. s. osceola) in the Santa Fe River in northern Florida between August 2005 and November 2010. Ninety-six percent of all captures occurred within a 9 km section of the river that receives direct input from 21 artesian springs. Within this “high density spring area,” popu

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Bjørge, Arne. "The harbour porpoise (Phocoena phocoena) in the North Atlantic: Variability in habitat use, trophic ecology and contaminant exposure." NAMMCO Scientific Publications 5 (July 1, 2003): 223. http://dx.doi.org/10.7557/3.2749.

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Harbour porpoises inhabit coastal waters, in habitats that are characterized by high diversity and complexity in terms of their bathymetry, substrate, fish communities and point sources of contaminants. The complexity in these habitats influences both the habitat use and feeding ecology of porpoises. Congregations of porpoises feeding primarily on one species are observed in some areas and seasons, while wide movements and diets composed of several species are observed in other areas. Due to these observations, this paper suggests that caution is needed when extrapolatingknowledge from one are

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