Relevant bibliographies by topics / Habitat mosaic

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Habitat mosaic'

Author: Grafiati
Published: 4 June 2021
Last updated: 25 April 2022

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Journal articles on the topic "Habitat mosaic"

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Corradini, Adrienne. "Habitat Mosaic." Animal Studies Journal 10, no. 2 (2021): 46–58. http://dx.doi.org/10.14453/asj.v10i2.3.

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Lee, Chen-Lu, Colin K. C. Wen, Yen-Hsun Huang, Chia-Yun Chung, and Hsing-Juh Lin. "Ontogenetic Habitat Usage of Juvenile Carnivorous Fish Among Seagrass-Coral Mosaic Habitats." Diversity 11, no. 2 (2019): 25. http://dx.doi.org/10.3390/d11020025.

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Seagrass beds and coral reefs are both considered critical habitats for reef fishes, and in tropical coastal regions, they often grow together to form “mosaic” habitats. Although reef fishes clearly inhabit such structurally complex environments, there is little known about their habitat usage in seagrass-coral mosaic habitats. The goal of this study was to examine potential factors that drive habitat usage pattern by juvenile reef fishes. We quantified (1) prey availability, (2) potential competitors, and 3) predators across a gradient of mosaic habitats (n = 4 habitat types) for four dominan
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Kremsater, Laurie L., and Fred L. Bunnell. "Testing responses to forest edges: the example of black-tailed deer." Canadian Journal of Zoology 70, no. 12 (1992): 2426–35. http://dx.doi.org/10.1139/z92-326.

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Variations in deer response to edge habitat have been attributed to three sources: (1) differences in habitat mosaics among study areas, (2) inconsistent definition of habitat deemed available to a deer, and (3) differences in edge characteristics. The potential influences of these factors were evaluated using data for black-tailed deer (Odocoileus hemionus columbianus) collected on Vancouver Island, B.C. Edges were defined among clear-cut, second-growth, and old-growth habitats. Deer distributions and movements were determined using radiotelemetry. Little response of deer to edges was detecta
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Simioni, João Paulo, Laurindo Antonio Guasselli, and Tatiana Silva da Silva. "Shifting habitat mosaic: identification and mapping." Ambiente e Agua - An Interdisciplinary Journal of Applied Science 14, no. 2 (2019): 1. http://dx.doi.org/10.4136/ambi-agua.2242.

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The Shifting Habitat Mosaic refers to temporal changes in the spatial pattern of habitats, through the flood and dry pulses. This work mapped the dynamics of a Shifting Mosaic associated with the flood and dry pulses in the Environmental Protection Area of the Banhado Grande (EPABG). The research was divided into four stages: i) acquisition of satellite images; ii) obtaining rainfall river basin data from the Gravataí River; iii) identification of the flood and dry pulses; and iv) mapping of the Shifting Mosaic in the wetlands of the EPABG. In large swaths of flooding, a shifting connectivity
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Fort, Thomas, Cécile Robin, Xavier Capdevielle, Laurent Delière, and Corinne Vacher. "Foliar fungal communities strongly differ between habitat patches in a landscape mosaic." PeerJ 4 (November 3, 2016): e2656. http://dx.doi.org/10.7717/peerj.2656.

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BackgroundDispersal events between habitat patches in a landscape mosaic can structure ecological communities and influence the functioning of agrosystems. Here we investigated whether short-distance dispersal events between vineyard and forest patches shape foliar fungal communities. We hypothesized that these communities homogenize between habitats over the course of the growing season, particularly along habitat edges, because of aerial dispersal of spores.MethodsWe monitored the richness and composition of foliar and airborne fungal communities over the season, along transects perpendicula
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Bradstock, R. A., M. Bedward, A. M. Gill, and J. S. Cohn. "Which mosaic? A landscape ecological approach for evaluating interactions between fire regimes, habitat and animals." Wildlife Research 32, no. 5 (2005): 409. http://dx.doi.org/10.1071/wr02114.

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The link between ‘fire mosaics’ and persistence of animal species is part of a prominent ecological/land management paradigm. This paradigm deals largely with the effects of fire on animals on the basis of individual events. The universality of the paradigm can be questioned on a variety of grounds, a major deficiency being the inability to deal with quantitative effects of recurrent fire (the fire regime). A conceptual model of fire-related habitat elements is proposed for exploration of a continuum of species/habitat/landscape/fire regime combinations. This approach predicts that the depende
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Xu, Ji-Liang, Zheng-Wang Zhang, Guang-Mei Zheng, Xiao-Hui Zhang, Quan-Hui Sun, and Philip McGowan. "Home range and habitat use of Reeves's Pheasant Syrmaticus reevesii in the protected areas created from forest farms in the Dabie Mountains, central China." Bird Conservation International 17, no. 4 (2007): 319–30. http://dx.doi.org/10.1017/s0959270907000834.

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AbstractMany recently designated or expanded nature reserves in China were forest farms that ceased operations in the aftermath of the catastrophic Yangtze River floods of 1998. Although the vegetation in many of these areas has been altered significantly during forestry operations, there is now an opportunity to reduce, or even reverse, habitat loss for wildlife species that inhabit these forests. One such species is the globally threatened Reeves's Pheasant Syrmaticus reevesii that is endemic to the forested mountains of central and south-west China. From April 2000 to August 2003, the habit
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Wei, Zhenhua, Meng Zheng, Lizhi Zhou, and Wenbin Xu. "Flexible Foraging Response of Wintering Hooded Cranes (Grus monacha) to Food Availability in the Lakes of the Yangtze River Floodplain, China." Animals 10, no. 4 (2020): 568. http://dx.doi.org/10.3390/ani10040568.

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Wetlands are disappearing or degrading at an unprecedented rate due to the increase in human encroachment and disturbance, eventually leading to habitat loss for waterbirds, which is the primary cause of the decline in the Hooded Crane (Grus monacha) population. The Hooded Cranes have to constantly adjust their foraging strategies to survive to cope with this situation. In order to study how cranes respond to food resources in mosaic habitat, we surveyed a total of 420 food quadrats and 736 behavioral samples from three habitats during three wintering periods in Shengjin Lake and Caizi Lake. W
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Frizzi, Filippo, Lorenzo Tucci, Lorenzo Ottonetti, Alberto Masoni, and Giacomo Santini. "Day-Night and Inter-Habitat Variations in Ant Assemblages in a Mosaic Agroforestry Landscape." Land 10, no. 2 (2021): 179. http://dx.doi.org/10.3390/land10020179.

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Throughout the Mediterranean basin, the long-term interaction between human activities and natural processes has led to the formation of unique ecosystems whose biodiversity may be higher than that of the “original” systems. This is particularly true in the case of transformations of continuous stretches of closed forest into a complex mosaic of open and closed habitat over the course of centuries. In this study, we assessed the variation in diversity of ant assemblages in a typical patchy landscape, sampling ants in the three most important constituting habitats: olive plantation, harvested f
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Larsen, Karl W., Ian T. Adams, and Diane L. Haughland. "Small mammal communities in a pyrogenic habitat mosaic." International Journal of Wildland Fire 16, no. 6 (2007): 728. http://dx.doi.org/10.1071/wf05106.

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We studied the small mammal community across a mosaic of habitats created by a large wildfire in the mixed-wood boreal forest of Alberta, Canada, 5 years after the fire occurred. We focussed on four habitat types within this landscape mosaic, namely burnt stands, stands of unburnt forest within the burn, unburnt forest on the periphery of the fire, and areas harvested before the fire (and subsequently burnt). The abundance of the two most common species – red-backed voles (Clethrionomys gapperi) and deer mice (Peromyscus maniculatus) – often differed inside v. outside the burn’s perimeter; how
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Dissertations / Theses on the topic "Habitat mosaic"

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Villegas-Patraca, Rafael. "Habitat mosaic and understory bird communities in Mexican cloud forest." Thesis, University of Edinburgh, 2004. http://hdl.handle.net/1842/30876.

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This research attempts to explain the effects of cloud forest patches (natural forest and coffee plantations) on bird diversity. Bird communities have been surveyed in 4 habitat types by point counts and mist-net techniques. The surveys were taken across a gradient from extensive primary and relatively undistributed forest to intensive agricultural land uses (coffee plantations). Patterns of bird populations (species richness, abundance, density and community composition) and patch characteristics (size, altitudinal range, and topographic complexity) were analysed over this gradient. In a tota
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McGill, James. "Management and creation of Open Mosaic Habitat for invertebrate conservation." Thesis, University of East London, 2018. http://roar.uel.ac.uk/7304/.

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Some brownfield sites can support comparable invertebrate diversity to semi- natural early successional habitats. This was recognised in the designation of Open Mosaic Habitat on Previously Developed Land as a UK conservation priority. This project developed in response to the need for information to assist with management of brownfields protected for nature conservation, and from the lack of evidence about effectiveness of brownfield mosaic habitat creation. The study included: management interventions at Canvey Wick in Essex, a brownfield nature reserve; mosaic habitat creation by substrate
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Hitchman, Sean M. "A mosaic approach can advance the understanding and conservation of native biodiversity in natural and fragmented riverscapes." Diss., Kansas State University, 2017. http://hdl.handle.net/2097/38559.

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Doctor of Philosophy<br>Division of Biology<br>Martha E. Mather<br>Understanding the complex relationship between organismal distribution and spatial heterogeneity is central to many ecological questions. This challenge of identifying the biodiversity consequences of spatial patterns is especially critical for resource conservation at the larger riverscape scale because climate- and human-related impacts often act through intricate and spatially-connected organismal-habitat relationships. Specifically, resource managers cannot manage the adverse effects of common disturbances on aquatic ecosys
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Constantine, Sherry Lynette. "The Influence of Habitat Quality on the Community Structure, Distribution Pattern, Condition, and Growth of Coral Reef Fish: A Case Study of Grunts (Haemulidae) from Antigua B.W.I, A Small Island System." Scholarly Repository, 2008. http://scholarlyrepository.miami.edu/oa_dissertations/136.

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The goal of this research was to determine the relative quality of near shore marine areas by investigating their influence on Haemulidae community structure, distribution pattern, condition, and growth. Habitat was defined at the small spatial scale of individual habitat types such as seagrass beds, mangroves and coral reefs, and at the broader spatial scale of the interconnection of these individual habitat types within a mosaic (IHM). Ten spatial, biotic and abiotic parameters (percentage coverage of sand, mangroves, hard substrate, and seagrass, turbidity, pH, salinity, temperature, averag
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Bertoncelj, Irena. "Spatial dynamics of ground beetle (Coleoptera: Carabidae) assemblage in a forest and open habitat mosaic landscape." Thesis, University of East Anglia, 2009. https://ueaeprints.uea.ac.uk/10591/.

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This thesis explores the relative importance of within-patch habitat quality, the temporal persistence and spatial connectivity of habitat patches, for heathland ground beetle assemblages in a forested and open habitat landscape mosaic of Breckland, Eastern England. Comparison of the carabid fauna of two distinct landscape elements: remnants of once extensive lowland heathland and the pine plantations of Thetford Forest managed by rotational clear-felling, showed the high value of the forest landscape for carabid species restricted to grassland, heathland and sandy habitats (GHS). Within the f
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Smith, Kathryn Enga Louise. "Movements and habitat use of the Santa Rosa beach mouse (Peromyscus polionotus leucocephalus) in a successional dune mosaic." [Gainesville, Fla.]: University of Florida, 2003. http://purl.fcla.edu/fcla/etd/UFE0000793.

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Mendes, Eduardo da Silva. "Diversity and activity of bats in the mosaic of Baixo Vouga Lagunar." Master's thesis, Universidade de Aveiro, 2013. http://hdl.handle.net/10773/13788.

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Mestrado em Biologia Aplicada - Ecologia, Biodiversidade e Gestão de Ecossistemas<br>The conversion of natural environments into agricultural land has profound effects on the composition of the landscape, often resulting in a mosaic of crop fields, pastures and remnant patches of natural vegetation. It is thought that an increase in structural complexity of a habitat mosaic may improve the availability of ecological niches for animals, potentially increasing species diversity. Bats are highly vagile, and many species require the use of distinct habitats to fulfil their daily and seasonal needs
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Mello, Andrei. "Distribuição da mastofauna de médio e grande porte em um mosaico florestal." Universidade do Vale do Rio do Sinos, 2005. http://www.repositorio.jesuita.org.br/handle/UNISINOS/2294.

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Made available in DSpace on 2015-03-05T16:19:35Z (GMT). No. of bitstreams: 0 Previous issue date: 12<br>Nenhuma<br>Os mamíferos de médio e grande porte distribuem-se em todos ecossistemas mundiais, possuindo grande importância ecológica, pois contribuem para a manutenção do equilíbrio das comunidades. Sua diversidade atual na Mata Atlântica, e especificamente, na Floresta de Araucária (FO) do Sul é alta. Contudo, devido ao grande valor econômico da araucária, espécie dominante na FO, esse ambiente foi intensamente fragmentado e grandes áreas substituídas por plantações arbóreas, exóti
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Botzat, Alexandra [Verfasser], and Nina [Akademischer Betreuer] Farwig. "Fragment quality rather than matrix habitat shapes forest regeneration in a South African mosaic-forest landscape / Alexandra Botzat. Betreuer: Nina Farwig." Marburg : Philipps-Universität Marburg, 2012. http://d-nb.info/1024770656/34.

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Ketcham, Shari Lynn. "Differential Response of Native Arizona Gray Squirrels and Introduced Abert's Squirrels to a Mosaic of Burn Severities in the Santa Catalina Mountains." Thesis, The University of Arizona, 2015. http://hdl.handle.net/10150/578635.

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Disturbance events can alter habitat properties, leading to species displacement, isolation and/or local extinction. In addition, introduced species have been recognized as a threat to biodiversity of native species. Understanding the interacting impacts of fire on native and introduced wildlife species, and the influence on a native species of competition with an introduced species after ecosystem change is critical. Tree squirrels are indicators of forest health; we used two species to determine thresholds and assess behavioral responses to determine adaption to habitat alterations. We studi
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Books on the topic "Habitat mosaic"

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Ferguson, Dennis E. Classification of grand fir mosaic habitats. U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1996.

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Farga, Amando. Historia de la comida en México: Amando Farga, José Inés Loredo. Mosaico multicolor del esplendor y grandeza de la gastronomía mexicana. Editorial Diana, 1993.

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C, Byrne John, and Rocky Mountain Research Station (Fort Collins, Colo.), eds. Environmental characteristics of the grand fir mosaic and adjacent habitat types. U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Research Station, 2000.

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King, Carolyn M., Grant Norbury, and Andrew J. Veale. Small mustelids in New Zealand: invasion ecology in a different world. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198759805.003.0010.

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This chapter reviews the ecology of the three species of small mustelids introduced into New Zealand: the ferret (Mustela furo), the stoat (M. erminea) and the weasel (M. nivalis), for biological control of rabbits. New Zealand offers a mosaic of environments totally different from those in which the three species evolved, including a diminishing array of endemic fauna especially vulnerable to mammalian predators. Mustelids in New Zealand display significant adaptive flexibility in diet, habitat selection, co-existence, dispersal, body size, population biology and predatory impact, with result
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Thompson, John D. Plant Evolution in the Mediterranean. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198835141.001.0001.

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Plant Evolution in the Mediterranean: Insights for conservation brings together a diverse literature on the Mediterranean flora in a detailed but synthetic account of plant evolutionary ecology. The central themes of ecological dynamics and evolutionary differentiation are developed at two spatial scales: habitat variation across the landscape and biogeographic processes across the Mediterranean. The history of the Mediterranean region is at the heart of this account and is described within a triptych that links geological and climatic history to the advent and history of human activities. The
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Sánchez-Gil, Patricia. Agenda Topics for Sustainability of Mexican Coasts and Oceans. Edited by Evelia Arriaga. EPOMEX-UAC, 2019. http://dx.doi.org/10.26359/epomex.0519.

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This book must be considered, as a representative thematic synthesis for understanding the dynamics of a transitional system, great heterogeneity of habitats and associated high biodiversity, ranging from the lower basin of rivers, wetlands, lagoons-estuaries, estuarine plume and adjacent marine areas. It is a document of analysis on the interrelations and connectivities of this great ecological mosaic, strongly influenced by natural variables, processes and coastal cycles that condition its functional structure; but also on the presence and intervention of activities socio-economic, energy tr
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Mosig, John. Australian Yabby Farmer. CSIRO Publishing, 1998. http://dx.doi.org/10.1071/9780643100749.

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This edition includes a chapter on water quality plus the latest findings in yabby farming. It provides a grounding in the basic principles of aquaculture and reflects the considerable advances in aquaculture technology over the last few years. &#x0D; Here is the basic information on the yabby, its habitat, its health and nutrition requirements. The book covers pond management, production systems, equipment, harvesting, post-harvest handling, and marketing of the end product. It includes sections on the farming of those other freshwater crayfish, the redclaw and the marron, and contains a numb
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Abreu, Savio. Heaven's Gates and Hell's Flames. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780190120696.001.0001.

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This book is an ethnographic study of Christian groups in contemporary Goan society that come under Pentecostal–Charismatic Christianity. Most studies on the Pentecostal movement in India are from a theological perspective. This book is an attempt to fill this gap, to satisfy the need to understand the rapidly expanding and overtly evangelistic movement of Pentecostal–Charismatic Christianity within pluralist, non-Christian societies, both as a social process and as an embodied everyday practice, as well as its sociocultural implications in the twenty first century. It assesses the impact of r
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Book chapters on the topic "Habitat mosaic"

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Morris, Douglas W. "Habitat selection in mosaic landscapes." In Mosaic Landscapes and Ecological Processes. Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0717-4_5.

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Andrén, Henrik. "Effects of landscape composition on predation rates at habitat edges." In Mosaic Landscapes and Ecological Processes. Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0717-4_10.

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Andrade, German I., and Heidi Rubio-Torgler. "Sustainable Use of the Tropical Rain Forest: Evidence from the Avifauna in a Shifting-Cultivation Habitat Mosaic in the Colombian Amazon." In Ecosystem Management. Springer New York, 1994. http://dx.doi.org/10.1007/978-1-4612-4018-1_27.

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"Benthic Habitats and the Effects of Fishing." In Benthic Habitats and the Effects of Fishing, edited by C. WILSON, H. ROBERTS, Y. ALLEN, and J. SUPAN. American Fisheries Society, 2005. http://dx.doi.org/10.47886/9781888569605.ch35.

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Coastal Louisiana, like many deltaic land masses, faces continued landscape alteration from natural processes and anthropogenic impacts that affect estuarine habitat. The most promising steps to slow/ mitigate these changes are river diversions that introduce freshwater and sediment to river-flanking environments and to help establish ideal salinities over historic oyster grounds. Critical to the success of these programs is a rapid and accurate means to qualify and quantify changes in oyster habitat. Digital high-resolution acoustic instrumentation linked to modern data acquisition and processing software was used to build baseline of information for evaluating future changes in shallow water bottoms, with special emphasis on oyster habitats. Application of digital side-scan sonar (100 and 500 kHz), a broad-spectrum sub-bottom profiler (4-24 kHz) for rapidly acquiring water column, surficial and shallow subsurface was used to map over 10,000 ha of water bottom. Geo-referenced side scan sonar mosaics were incorporated into a GIS data base. These data sets, “calibrated” with surface sampling, coring, and other “ground truthing” have established that numerically indexed acoustic reflectance intensities correlate closely with surface shell and oyster reef density. With image processing techniques to analyze mosaic reflectance patterns, we estimated the percent and total acreage of several bottom types.
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"Benthic Habitats and the Effects of Fishing." In Benthic Habitats and the Effects of Fishing, edited by Douglas Lockhart, Robert J. Pawlowski, and Edward J. Saade. American Fisheries Society, 2005. http://dx.doi.org/10.47886/9781888569605.ch17.

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&lt;strong&gt;&lt;em&gt;Abstract. &lt;/em&gt;&lt;/strong&gt;Backscatter data from Reson multibeam echo sounders (MBES) can be captured as a single time series for each beam footprint. Referred to as snippets, this data has a few advantages over MBES pseudo sidescan and, in some cases, true sidescan data. Snippets can be precisely coregistered to the bathymetric surface using the fact that the snippet and sounding are from the same place. This process implicitly corrects the snippet position for water column refraction. The resulting mosaic has improved signal to noise qualities as a result of precise positioning. Other advantages include increased resolution, automated mosaic assembly and potential for automated image classification. Data products generated from snippet processing are useful for habitat classification.
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Thrush, Simon F., Judi E. Hewitt, Conrad A. Pilditch, and Alf Norkko. "Disturbance, patches and mosaics." In Ecology of Coastal Marine Sediments. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198804765.003.0003.

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This chapter introduces the range of biological and physical processes that disturb soft sediment. It introduces the concept of disturbance regimes that connect the extent, frequency and magnitude of disturbance. Post-disturbance recovery processes are described in terms of processes that occur within the disturbed patch and processes that influence recovery from outside the patch. Moving on from the patch scale, the chapter introduces the concept of patch dynamics and the concept of the seafloor as a mosaic of patches at different stages of recovery from disturbance. Connectivity between patches is a critical factor linking local recovery processes to landscape-scale processes. This mosaic perspective leads to the introduction of metacommunity dynamics and the potential for heterogeneous landscapes to fragment and eventually homogenise seafloor communities as a consequence of the loss of large habitat-defining species.
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"Benthic Habitats and the Effects of Fishing." In Benthic Habitats and the Effects of Fishing, edited by C. B. Grimes, M. Yoklavich, W. Wakefield, and H. G. Greene. American Fisheries Society, 2005. http://dx.doi.org/10.47886/9781888569605.ch23.

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We conducted a 9-day field test of laser line-scan imaging technology (LLS) to investigate benthic marine habitats in and around the Big Creek Ecological Reserve (BCER) off the central California coast. We determined the utility of LLS for determining the distribution and abundance of fish and megafaunal invertebrates, and identifying habitats and species associations by comparing LLS images with those acquired from side-scan sonar and a remotely-operated vehicle. We also evaluated the ability of LLS to detect seafloor disturbance caused by fishing trawl gear. We surveyed a 2.6 km long x 0.4 km wide area inside and directly outside BCER. With the laser we imaged isolated rock outcrops with patches of large Metridium sp., dense schools of fishes, drift kelp, sea pens, salp chains, and sedentary benthic fishes (possibly California halibut, Pacific electric ray, ratfish and juvenile lingcod.). The LLS system offers the advantage of imaging both the biogenic and abiotic components of habitat, and depicts their spatial relationships with detail that currently is not possible using acoustic imaging techniques such as side-scan and multibeam sonar. LLS imagery also provided fine detail of low relief shelf geology such as sand waves and ripples; evaluating these features in a broader context from a post-processed mosaic of the study area could help us understand coastal physical processes that influence dynamic benthic habitats.
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Horning, Ned, Julie A. Robinson, Eleanor J. Sterling, Woody Turner, and Sacha Spector. "Marine and coastal environments." In Remote Sensing for Ecology and Conservation. Oxford University Press, 2010. http://dx.doi.org/10.1093/oso/9780199219940.003.0013.

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New remote sensing challenges arise from the addition of the water column to the remote sensing signal. At the same time, new opportunities for use of remotely sensed data are possible in the marine environment. Marine environments can have organisms in such great abundance that they are readily monitored using remote sensing. From measuring ocean productivity, to harmful algal blooms (HABs), to fisheries management, remote sensing is a key component of many efforts to manage and conserve marine ecosystems. For example, the small giant clam, Tridacna maxima, is endangered in some areas of the Pacific, and because of commercial harvest pressure is listed in Appendix II of the Convention on the International Trade of Endangered Species (CITES, meaning they are not yet threatened by extinction but could become so if their trade is not tightly regulated). Andréfouët et al. (2005a) used field observations and remotely sensed data to study the productivity of the clam fishery in tiny (22.2 km2, including a 9.9 km2 lagoon) Fangatau Atoll (Eastern Tuamotu, French Polynesia). The fishery was under pressure due to the large (4 ton per year) export of clams to Tahiti. Remotely sensed data included a mosaic of aerial photographs (1.5 m resolution), a digital photograph taken from the International Space Station (red, green, blue, 5.6 m resolution), and Landsat TM imagery (30 m resolution). The authors classified each image of key lagoon habitats, using maximum likelihood supervised classification, with each image classified independently. They estimated the population size for the entire lagoon by multiplying the mean clam density in each habitat (from field data) by the total area of each habitat (in the maps made from the remotely sensed data). Amazingly, an estimated 23.65 ± 5.33 million clams (mean ± 95 percent confidence interval) inhabited the 4.05 km2 area of suitable habitat in the lagoon. The high spatial resolution data (1.5 m aerial and 5.6 m astronaut photography data) both gave equivalent estimates of the biomass with good estimates of accuracy, but the Landsat 30 m data overestimated the population.
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"Benthic Habitats and the Effects of Fishing." In Benthic Habitats and the Effects of Fishing, edited by George R. Cutter, Yuri Rzhanov, Larry A. Mayer, and Raymond E. Grizzle. American Fisheries Society, 2005. http://dx.doi.org/10.47886/9781888569605.ch16.

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&lt;strong&gt;&lt;em&gt;Abstract. &lt;/em&gt;&lt;/strong&gt;Subtidal benthic habitats from the Piscataqua River, New Hampshire and Maine, have been delineated by an automated segmentation technique using bathymetry derived from multibeam echo sounder data. The map, produced by segmentation of seafloor textures, represents a hypothetical benthic habitat map that requires ground-truthing. Video mosaics are being used to ground-truth substrate composition and transitions apparent in the bathymetry data map and to describe biological features and organism occurrences and densities. Here, we describe the utility of video mosaics for ground-truthing benthic habitat characteristics and present two examples of their use. Video mosaics acquired along two transects in the Piscataqua River were used to detect substrate transitions apparent in the bathymetry that were identified as distinct hypothetical habitat types and to quantitatively assess coverages of distinct sediment conditions, density of megafaunal organisms (lobsters), and bioturbational features (crab feeding pits).
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"Strategies for Restoring River Ecosystems: Sources of Variability and Uncertainty in Natural and Managed Systems." In Strategies for Restoring River Ecosystems: Sources of Variability and Uncertainty in Natural and Managed Systems, edited by F. R. HAUER, C. N. DAHM, G. A. LAMBERTI, and J. A. STANFORD. American Fisheries Society, 2003. http://dx.doi.org/10.47886/9781888569469.ch4.

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&lt;em&gt;Abstract&lt;/em&gt;.—River ecosystem integrity is evaluated within a variety of landscape scales. We examine influences of variations in natural processes and human actions on river ecosystems and propose a concept for restoring impaired systems. The ecological structure and function of rivers vary across a hierarchy of landscape scales with different spatial and temporal dimensions. The major linkages within river systems include exchange of water and materials along longitudinal connections from streams to rivers, lateral connections between river and floodplain systems, and vertical surface and subsurface (hyporheic) water exchanges. Strong longitudinal linkages dominate confined river reaches while unconfined floodplain reaches show strong affinities for lateral and vertical exchange. A landscape concept, “the shifting habitat mosaic” (SHM), provides a framework for understanding how these interactions create and maintain the physical and ecological diversity of habitats, biotic communities, and ecosystem integrity. While each river system has unique physical and ecological characteristics, many human actions and ecological effects can be expressed within the SHM concept. For example, societal needs for power generation, transportation, water management, and land uses (e.g., urban and agricultural) often alter natural processes of hydrologic regimes and material transport and deposition. These factors affect interactions between the river channel and the surrounding river–riparian corridor. Restoration strategies can apply the SHM concept by focusing on restoring normative variations to processes (e.g., hydrologic regimes) that contribute to ecosystem integrity. Management practices (e.g., dam hydrologic regimes, flood control facilities, levees, land uses) can be modified to restore natural physical and ecological processes (e.g., thermal regimes, water exchange, and animal migrations).
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Conference papers on the topic "Habitat mosaic"

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Soyumert, Anil, Alper Erturk, and Cagatay Tavsanoglu. "Does fire-shaped habitat mosaic support large mammal community in Mediterranean pine forest?" In 5th European Congress of Conservation Biology. Jyvaskyla University Open Science Centre, 2018. http://dx.doi.org/10.17011/conference/eccb2018/107586.

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Lutaenko, Konstantin, and Konstantin Lutaenko. "COASTAL MARINE BIODIVERSITY OF VIETNAM: CURRENT PROBLEM." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.21610/conferencearticle_58b43159228ea.

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A brief overview of the coastal biodiversity of Vietnam based on surveys conducted by the A.V. Zhirmunsky Institute of Marine Biology, Far Eastern Branch of the Russian Academy of Sciences for last 35 years. Main problems related to threats to biodiversity are discussed on the example of the intertidal communities, coral reefs, and molluscan diversity. Threats to marine biodiversity in Vietnam are summarized as follows: habitat degradation, fragmentation and loss (especially important are mangrove forest destruction, loss of coral reefs, change in landscape mosaic of wetland, estuary, sand and
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Lutaenko, Konstantin, and Konstantin Lutaenko. "COASTAL MARINE BIODIVERSITY OF VIETNAM: CURRENT PROBLEM." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.31519/conferencearticle_5b1b9371a04467.54905418.

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A brief overview of the coastal biodiversity of Vietnam based on surveys conducted by the A.V. Zhirmunsky Institute of Marine Biology, Far Eastern Branch of the Russian Academy of Sciences for last 35 years. Main problems related to threats to biodiversity are discussed on the example of the intertidal communities, coral reefs, and molluscan diversity. Threats to marine biodiversity in Vietnam are summarized as follows: habitat degradation, fragmentation and loss (especially important are mangrove forest destruction, loss of coral reefs, change in landscape mosaic of wetland, estuary, sand and
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Ajder, Vitalie, and Silvia Ursul. "The inventory of the ornitofauna of Sarata Noua lake, Leova county, Republic of Moldova from 2016 – 2021." In Xth International Conference of Zoologists. Institute of Zoology, Republic of Moldova, 2021. http://dx.doi.org/10.53937/icz10.2021.49.

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The Republic of Moldova is a small European country where long-term studies have been more of an exception than a rule. Being an agrarian country, the mosaic of natural and artificial habitats is found on a smaller scale, namely in the Sărata river meadow, and in Sărata Nouă lake and surrounding. The Sărata River is a right tributary of the Prut River in the Republic of Moldova, having a quiet plain character, with a mosaic of natural and artificial habitats which are traditionally managed. The area overlaps with the East-Elbic migration route, the short distance to the Prut River and being lo
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Marcinkevage, Catherine, and Edwin E. Herricks. "The Influence of Habitat Mosaics on Species Assemblage in a Channelized Midwestern Stream." In World Water and Environmental Resources Congress 2004. American Society of Civil Engineers, 2004. http://dx.doi.org/10.1061/40737(2004)417.

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Gaigher, Rene. "Potential of old fields for increasing habitat heterogeneity and connectivity for arthropod natural enemies in farmland mosaics." In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.108528.

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Sousa, Reysane De Alencar, and Juarez Carlos De Brito Pezzuti. "DIVERSIDADE DE VERTEBRADOS TERRETRES DA RESERVA EXTRATIVISTA RIO IRIRI, PA." In I Congresso Brasileiro de Biodiversidade Virtual. Revista Multidisciplinar de Educação e Meio Ambiente, 2021. http://dx.doi.org/10.51189/rema/1091.

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Os vertebrados terrestres possuem alta diversidade morfológica, comportamental e de hábitos, que refletem ampla diferenciação de papéis ecológicos no ambiente. Na Amazônia as lacunas no conhecimento científico deste grupo ocorrem principalmente pela dificuldade da realização de estudos mais completos durante curtos períodos e recursos financeiros limitados. Para minimizar estes problemas, métodos indiretos de estudá-los têm sido utilizados como alternativa aos métodos tradicionais. Portanto, o presente trabalho teve como objetivo identificar as espécies de vertebrados de médio e grande porte d
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Reports on the topic "Habitat mosaic"

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Ferguson, Dennis E., and John C. Byrne. Environmental characteristics of the Grand Fir Mosaic and adjacent habitat types. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, 2000. http://dx.doi.org/10.2737/rmrs-rp-24.

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