Academic literature on the topic 'Frog assemblages'

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Journal articles on the topic "Frog assemblages"

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Rocha, CFD, FH Hatano, D. Vrcibradic, and M. Van Sluys. "Frog species richness, composition and beta-diversity in coastal Brazilian restinga habitats." Brazilian Journal of Biology 68, no. 1 (2008): 101–7. http://dx.doi.org/10.1590/s1519-69842008000100014.

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We studied the species richness and composition of frogs in 10 restinga habitats (sand dune environments dominated by herbaceous and shrubby vegetation) along approximately 1500 km of coastal areas of three Brazilian States: Rio de Janeiro (Grumari, Maricá, Massambaba, Jurubatiba and Grussaí), Espírito Santo (Praia das Neves and Setiba) and Bahia (Prado and Trancoso). We estimated beta-diversity and similarity among areas and related these parameters to geographic distance between areas. All areas were surveyed with a similar sampling procedure. We found 28 frog species belonging to the famili
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Folt, Brian, and Craig Guyer. "Habitat-dependent effects of predatory spiders on prey frogs in a Neotropical wet forest." Journal of Tropical Ecology 37, no. 5 (2021): 214–21. http://dx.doi.org/10.1017/s0266467421000274.

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AbstractIn seasonal wet Neotropical forests, many studies have suggested that species-rich terrestrial frog assemblages are regulated bottom-up by the abundance of leaf litter. However, terrestrial frogs are prey to a diverse community of predators, and no studies have tested for top-down effects of predators on this or other anuran assemblages. Here, we used an extensive field dataset to model the relative contribution of food resources, microhabitat resources and predators towards the occupancy and detection of two frog species (Craugastor bransfordii and Oophaga pumilio) at La Selva, Costa
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Terblanche, Naas, and John Measey. "The conservation value of freshwater habitats for frog communities of lowland fynbos." PeerJ 11 (June 5, 2023): e15516. http://dx.doi.org/10.7717/peerj.15516.

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Amphibians are more threatened than any other vertebrate class, yet evidence for many threats is missing. The Cape lowland fynbos (endemic scrub biome) is threatened by habitat loss, and natural temporary freshwater habitats are removed in favour of permanent impoundments. In this study, we determine amphibian assemblages across different freshwater habitat types with special attention to the presence of invasive fish. We find that anuran communities differ primarily by habitat type, with permanent water habitats having more widespread taxa, while temporary water bodies have more range restric
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Dayrell, Jussara Santos, William Ernest Magnusson, Paulo Estefano Dineli Bobrowiec, and Albertina Pimentel Lima. "Impacts of an Amazonian hydroelectric dam on frog assemblages." PLOS ONE 16, no. 6 (2021): e0244580. http://dx.doi.org/10.1371/journal.pone.0244580.

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About 90% of the Amazon’s energy potential remains unexploited, with many large hydroelectric dams yet to be built, so it is important to understand how terrestrial vertebrates are affected by reservoir formation and habitat loss. We investigated the influence of the construction of the Santo Antônio Hydroelectric dam on the Madeira River in southwestern Amazonia on the structure of frog assemblages based on samples collected in two years before the dam flooded (pre-stage) and one (post1-stage) and four years (post2-stage) after its construction. We surveyed five 500-ha plot systems three time
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Dahl, Chris, Stephen J. Richards, and Vojtech Novotny. "The Sepik River (Papua New Guinea) is not a dispersal barrier for lowland rain-forest frogs." Journal of Tropical Ecology 29, no. 6 (2013): 477–83. http://dx.doi.org/10.1017/s0266467413000527.

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Abstract:Major tropical rivers have been suggested to be important dispersal barriers that increase the beta diversity of animal communities in lowland rain forests. We tested this hypothesis using assemblages of frogs in the floodplains of the Sepik River, a major river system in Papua New Guinea. We surveyed frogs at five sites within a continuous 150 × 500-km area of lowland rain forest bisected by the Sepik, using standardized visual and auditory survey techniques. We documented 769 frogs from 44 species. The similarity in species composition decreased with logarithm of geographical distan
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Ernst, Raffael, and Mark-Oliver Rödel. "Patterns of community composition in two tropical tree frog assemblages: separating spatial structure and environmental effects in disturbed and undisturbed forests." Journal of Tropical Ecology 24, no. 2 (2008): 111–20. http://dx.doi.org/10.1017/s0266467407004737.

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Abstract:An on-going controversy in community ecology involves the debate about the many factors that affect the assembly and composition of a given species assemblage. Theory suggests that community composition is influenced by environmental gradients or biotic processes. This study examines patterns of community composition in two tropical tree frog assemblages of primary and exploited lowland rain-forest sites in the Guiana Shield area of central Guyana, South America and the Upper Guinean rain-forest block of south-western Côte d'Ivoire, West Africa. We tested community composition and spe
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Hocknull, Scoot A. "Ecological succession during the late Cainozoic of central eastern Queensland: extinction of a diverse rainforest community." Memoirs of the Queensland Museum 51, no. 1 (2005): 39——122. https://doi.org/10.5281/zenodo.6390123.

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New late Cainozoic faunal assemblages are preliminarily identified and described from central eastern Queensland. Biocorrelation of the sites has determined that the oldest faunal assemblages are Early Pliocene in age, with younger faunas from the Plio-Pleistocene, late Pleistocene and Holocene. Pliocene faunal assemblages are characterised by rainforest-specialist frog, squamate and mammalian taxa. ...
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Mageski, Marcio Marques, Rodrigo Barbosa Ferreira, Larissa Corteletti da Costa, Paulo Roberto Jesus, and Paulo Dias Ferreira. "Frog assemblage associated with bromeliads in a sandy coastal plain in the state of Espírito Santo, southeastern Brazil." Papéis Avulsos de Zoologia (São Paulo) 57, no. 34 (2017): 445. http://dx.doi.org/10.11606/0031-1049.2017.57.34.

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Amphibians may use bromeliads for reproduction (i.e., bromeligenous species) or only for refuge and foraging (i.e., bromelicolous species). The partition of bromeliad resources is essential to maintain the coexistence of the associated assemblages. We sampled 913 bromeliads in a sandy coastal plain (i.e., restinga habitat) in southeastern Brazil and found 234 frogs belonging to seven species. One of the frog species was bromeligenous and the other six were facultative bromelicolous. The bromeliads of the genus Aechmea were the most frequently used by frogs. The low degree of frog occupancy of
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Costa-Campos, Carlos Eduardo, and Freire Eliza Maria Xavier. "Richness and composition of anuran assemblages from an Amazonian savanna." ZooKeys 843 (May 9, 2019): 149–69. https://doi.org/10.3897/zookeys.843.33365.

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The Amazonian savannas occupy approximately 150,000 km<sup>2</sup> of the Brazilian Amazon, occurring in scattered isolated patches over large areas of forest in the states of Amapá, Amazonas, Pará, Roraima and Rondônia. Despite having considerable variation in the Anuran composition between locations and between the savanna's physiognomies, a systematic and geographically wide sampling has not been performed for the savanna from Amapá yet, located in the north of Brazil, eastern Amazonia. In this perspective, a study was conducted on the richness, composition, diversity, and abundance of Anur
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Zainudin, Ramlah. "ASSEMBLAGES OF FROGS SPECIES AT BALAMBANGAN ISLAND, SABAH, MALAYSIA." Borneo Journal of Resource Science and Technology 1, no. 1 (2016): 59–62. http://dx.doi.org/10.33736/bjrst.265.2011.

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Borneo is well known as a hotspot for biodiversity, yet species assemblages at smaller islands in the East Malaysian states of Sabah and Sarawak, are not well documented. The survey of frogs in Balambangan Island, which is situated at the west coast of Sabah, was the first attempt to look at the occurrence of frogs at smaller islands in the state. Sampling of frogs was conducted at the coastal areas of Kampung Selamat and limestone forest for four nights sampling period. Visual encounter survey and transect line were used to sample the frogs which were captured by hand. A total of seven specie
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Dissertations / Theses on the topic "Frog assemblages"

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Snape, S. R. "Mortuary assemblages from Abydos." Thesis, University of Liverpool, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375851.

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Berry, Christopher Mark. "Devonian plant assemblages from Venezuela." Thesis, Cardiff University, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.492235.

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A rich macroflora has been collected from eleven localities in the Lower Member of the Campo Chico Formation in the Cafto Colorado area of the Sierra de Perija, Western Venezuela. A new geological map of the area has been produced. The sediments were deposited in a deltaic environment. Faunal evidence suggests an age between early Givetian and Late Devonian. Palynological preparations suggest an age of Givetian or latest Eifelian for the lower plant-bearing horizons. The plants themselves indicate a latest Eifelian-early Frasniana age. Some nineteen plant taxa are recorded, including five new
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Woebbe, Eric. "Survey of a Neotropical anuran assemblage (Pacaya-Samiria Reserve, Peru)." Wright State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=wright1493154522047725.

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Palmer, Denise D. "Late Holocene planktic foraminiferal assemblages from Orca Basin : effects of dissolution on faunal assemblages." [Tampa, Fla] : University of South Florida, 2006. http://purl.fcla.edu/usf/dc/et/SFE0001693.

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Fitzpatrick, Meriel E. J. "Turonian dinoflagellate cyst assemblages from southern England." Thesis, University of Plymouth, 1992. http://hdl.handle.net/10026.1/2029.

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Little recent work has directly addressed the variation in dinoflagellate cyst assemblages and the resulting biostratigraphy from the Turonian of southern England. Sampling (every 1-2m) of the whole succession from three areas (Dover, Sussex and the Isle of Wight), together with sedimentological and macropalaeontological detail provided a good basis for what is primarily a biostratigraphical study. Altogether 328 samples were analysed. It is one of the aims of this project to expand on the knowledge and geographical limits of dinoflagellate cyst assemblages from the Turonian. Full descriptions
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Parker, Karen Elizabeth. "Calculating ion exchange parameters from pure clay assemblages." Thesis, University of Birmingham, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.422780.

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Bourgeois, Jocelyne C. "Modern and holocene pollen assemblages from Arctic ice caps." Thesis, University of Ottawa (Canada), 2000. http://hdl.handle.net/10393/8535.

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Records of pollen deposition on arctic ice caps are used to infer paleoenvironments of the Holocene and atmospheric circulation patterns in the Arctic. As part of this study, several snow samples were collected over a broad area, over the course of several years, to investigate modern pollen deposition patterns in the Arctic. Pollen assemblages recovered from arctic snow are diverse and consist of tundra and forest types. The results show that pollen percentages and concentrations are related to the density of the regional vegetation and to the distance of the source in more productive regions
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Bourgeois, Jocelyne. "Modern and holocene pollen assemblages from Arctic ice caps." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/NQ57023.pdf.

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Fitzgerald, John Andrew. "Pollen and spore assemblages from the Oligocene Lough Neagh Group." Thesis, University of Sheffield, 1999. http://etheses.whiterose.ac.uk/10365/.

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This study was initiated to solve a stratigraphic problem for the Geological Survey of Northern Ireland prior to the revision in 1997 of the 1:250000 map of the solid geology of Northern Ireland. An exploratory drilling programme carried out by the Survey in 1983/1984 revealed the existence of previously unknown Tertiary sediments north west of the Tow Valley Fault. The boreholes revealed a sequence of clays and lignites that were attributed to the Lough Neagh Group. These lay above an interbedded sequence of litho marge, pyroclastics and lacustrine deposits termed the Dunaghy Formation. The G
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Rodrigues, Clara Lúcia Ferreira. "Macrofaunal assemblages from mud volcanoes in the Gulf of Cadiz." Doctoral thesis, Universidade de Aveiro, 2009. http://hdl.handle.net/10773/981.

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Doutoramento em Biologia<br>Desde a descoberta em 1999 do primeiro vulcão de lama no Golfo de Cádis, cerca de 40 locais, de profundidade variável entre os 200 e os 3900 m, com diferentes graus de emissão de hidrocarbonetos foram localizados e amostrados dentro do programa IOC-UNESCO “Training Through Research (TTR) “ e mais recentemente dentro do projecto europeu HERMES. Neste estudo investigamos as comunidades da macrofauna dos vulcões de lama do Golfo de Cádis utilizando uma diversidade de equipamento de amostragem quantitativo e não quantitativo. Mais de 14550 espécimes foram examinados e
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Books on the topic "Frog assemblages"

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Riccardo, Francovich, Patterson Helen, Barker Graeme, and Populus Project, eds. Extracting meaning from ploughsoil assemblages. Oxbow Books, 2000.

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Rostoker, Arthur G. An archaeological assemblage from Eastern Ecuador. Treganza Anthropology Museum, 1988.

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Wolfe, Jack A. A method of obtaining climatic parameters from leaf assemblages. U.S. G.P.O., 1993.

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Arman, Armand Pierre. Arman: Works from 1955-1989. Mayor Gallery, 1989.

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Arman, Armand Pierre. Arman: Works from 1955-1989. Mayor Gallery, 1989.

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Ohel, Milla Y. Lithic analysis of Acheulean assemblages from the Avivim sites, Israel. B.A.R., 1990.

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Grey, Kathleen. Miospore assemblages from the Devonian reef complexes, Canning Basin, Western Australia. State Print, 1992.

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Brouwers, Elisabeth M. Systematic paleontology of Quaternary ostracode assemblages from the Gulf of Alaska. U.S. G.P.O., 1990.

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Brouwers, Elisabeth M. Systematic paleontology of quaternary ostracode assemblages from the Gulf of Alaska. Dept. of the Interior, U.S. Geological Survey, 1990.

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Koppelhus, Eva B. Megaspore assemblages from the Jurassic and lowermost Cretaceous of Bornholm, Denmark. Danmarks geologiske undersøgelse, 1992.

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Book chapters on the topic "Frog assemblages"

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Ward, Lauck W., and Blake W. Blackwelder. "Late Pliocene and Early Pleistocene Mollusca from the James City and Chowan River Formations at the Lee Creek Mine." In Smithsonian Contributions to Paleobiology. Smithsonian Institution Press, 1987. http://dx.doi.org/10.5479/si.00810266.61.113.

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A molluscan fauna consisting of 194 species is described from the Chowan River (upper Pliocene) and James City (lower Pleistocene) formations at the Lee Creek Mine, Aurora, North Carolina. These two formations are as much as 7 m thick in the mine and unconformably overlie strata that correlate with the Yorktown Formation in its type area. The Chowan River and James City formations are separated by an unconformity. The mollusks of the Chowan River Formation are assigned to the &lt;i&gt;Glycymeris hummi-Turritella perexilis&lt;/i&gt; assemblage-zone and the mollusks in the overlying James City F
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Jervis, Ben. "From archaeological assemblage to vibrant assemblage." In Assemblage Thought and Archaeology. Routledge, 2018. http://dx.doi.org/10.4324/9781315158594-2.

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Suárez, Marcela. "From Networks to Assemblages." In Virtual Identities and Digital Culture. Routledge, 2023. http://dx.doi.org/10.4324/9781003310730-8.

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Salmenniemi, Suvi, Harley Bergroth, Johanna Nurmi, and Inna Perheentupa. "From culture to assemblages." In Assembling Therapeutics. Routledge, 2019. http://dx.doi.org/10.4324/9781351233392-1.

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Purdy, Robert W., Vincent P. Schneider, Shelton P. Applegate, Jack H. McLellan, Robert L. Meyer, and Bob H. Slaughter. "The Neogene Sharks, Rays, and Bony Fishes from Lee Creek Mine, Aurora, North Carolina." In Smithsonian Contributions to Paleobiology. Smithsonian Institution Press, 2001. http://dx.doi.org/10.5479/si.00810266.90.71.

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The fish remains, including 104 species from 52 families, collected at the Lee Creek Mine near Aurora, Beaufort County, North Carolina, constitute the largest fossil marine fish assemblages known from the Coastal Plain of the eastern United States. The fish faunas came principally from the Pungo River Formation (Burdigalian, planktonic foraminifera zones N6-7) and the Yorktown Formation (Zanclian, planktonic foraminifera zone N18 and younger). A few specimens were obtained from the James City Formation (early-middle Pleistocene). As an assemblage, the fishes found in the Pungo River Formation,
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Dovey, Kim. "From place to assemblage." In The Routledge Handbook of Urban Design Research Methods. Routledge, 2023. http://dx.doi.org/10.4324/9781003168621-24.

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Tonkonoff, Sergio. "Desire, Assemblages, Machines. Deleuze et al." In From Tarde to Deleuze and Foucault. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-55149-4_5.

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Asryan, Lena, Norah Moloney, and Andreu Ollé. "Lithic Assemblages Recovered from Azokh 1." In Azokh Cave and the Transcaucasian Corridor. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-24924-7_4.

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Nikula, Tarja, Anne Pitkänen-Huhta, Sari Sulkunen, and Johanna Saario. "Rhizoanalysis of Sociomaterial Entanglements in Teacher Interviews." In New Materialist Explorations into Language Education. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-13847-8_8.

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AbstractThis chapter explores how the entangled relationship between the material and social in teachers’ perceptions of change can be empirically investigated. More specifically, the chapter adopts a DeleuzoGuattarian rhizoanalytic assemblage approach and the notion of becoming to capture the dynamic and fluid nature of social and material affects. The study re-analyses three teacher interviews from data sets originally collected for different research purposes but with the theme of change relevant in each interview. The findings show that rhizomatic analysis and approaching interviews as ass
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Laihonen, Petteri, and Tamás Péter Szabó. "Material Change: The Case of Co-located Schools." In New Materialist Explorations into Language Education. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-13847-8_6.

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AbstractIn this chapter, our context is a co-located Swedish and Finnish medium high school campus. From a posthumanist viewpoint, we study the roles and functions of language(s) in the semiotic assemblages of learning environments and ask how language(s) feature as an integral and material part of the change in the spatial repertoire of learning environments. We investigate how the principle of separation of schools by medium of instruction, typical for Finnish education, becomes undermined through a new multilingual soundscape in the co-located schools, where the school community hears and u
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Conference papers on the topic "Frog assemblages"

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Boucher, Lisa D. "RECONSTRUCTING CRETACEOUS LANDSCAPES: DATA FROM WOOD ASSEMBLAGES." In GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-287982.

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Rojas, Yunevda E. León, Jie Xie, and Juan G. Colonna. "Relationships between species assemblage richness and acoustic indices." In Workshop de Computação Aplicada à Gestão do Meio Ambiente e Recursos Naturais. Sociedade Brasileira de Computação - SBC, 2025. https://doi.org/10.5753/wcama.2025.9006.

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Biodiversity assessment is increasingly reliant on acoustic indices derived from bioacoustic recordings. This study evaluates the performance of five acoustic indices–Acoustic Richness Index (Hs), Von Neumann Entropy (Hv), Acoustic Diversity Index (ADI), Bioacoustic Index (BIO), and Acoustic Evenness Index (AEI)–in controlled environments. We generated simulated assemblages by randomly mixing vocalizations from distinct species and specimens, creating 24,000 bird assemblages and 2,000 anuran assemblages. Each index was calculated for these datasets to assess its relationship with species richn
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Gardeisen, Armelle. "L’assemblage osseux comme un dernier état de la présence animale en contexte archéologique. Gestuelle et comportements vis-à-vis de l’animal." In Bones, behaviour and belief. The osteological evidence as a source for Greek ritual practice. Swedish Institute at Athens, 2013. http://dx.doi.org/10.30549/actaath-4-55-05.

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Faunal assemblages from different archaeological contexts are presented here as examples of different methods of zooarchaeological interpretation. The aim of this contribution is to discuss the interpretation of bone assemblages according to the context and what is to be considered as relevant against the background of all species/anatomical elements present in the faunal record, in relation to religious practices or not. Emphasis will be given to specific bone assemblages from protohistorical contexts in southern France and their interpretation. The main purpose of the methodology of the zooa
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Tatge, Emma, Denise K. Kulhanek, and Gary D. Acton. "PLEISTOCENE CALCAREOUS NANNOFOSSIL ASSEMBLAGES FROM THE MOZAMBIQUE CHANNEL." In 54th Annual GSA South-Central Section Meeting 2020. Geological Society of America, 2020. http://dx.doi.org/10.1130/abs/2020sc-343777.

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Steven, Cody J. "TEXTURAL VARIATION IN ULTRAMAFIC MINERAL ASSEMBLAGES FROM WESTERN IDAHO." In GSA Annual Meeting in Phoenix, Arizona, USA - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019am-338093.

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Corbo, Stefano. "Belief in the Age of Disbelief: Form, Utopia and Assemblage." In 109th ACSA Annual Meeting Proceedings. ACSA Press, 2021. http://dx.doi.org/10.35483/acsa.am.109.47.

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This paper attempts to unfold the intricate relationship between architecture, the discourse around utopia, and the form of utopia itself with a specific focus on recent phenom­ena. Utopia intended not as illusion or as imaginary world, but as prefiguration, the realm of not yet—something that is not existing now, but that can exist in the future. Utopia not as a dream but as a project. For centuries, social and political demands have inspired the materialization of very specific episodes, both at the urban and the building scale. From Sforzinda’s Ideal City to Hilberseimer’s Vertical City, pa
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КУЖУГЕТ Р, В., and Н. АНКУШЕВА Н. "NOBLE METAL MINERALIZATION AND PT-PARAMETERS OF FORMATION OF THE AK-SUG PORPHYRY AU-MO-CU DEPOSIT (EASTERN SAYAN)." In ГЕОЛОГИЯ И МИНЕРАЛЬНО-СЫРЬЕВЫЕ РЕСУРСЫ СЕВЕРО-ВОСТОКА РОССИИ 2024. Crossref, 2024. http://dx.doi.org/10.53954/9785604990100_134.

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Ore mineralization of the Ak-Sug porphyry Au-Mo-Cu deposit formed during three stages: 1) porphyry-copper mineralization with simple sulfides in quartz-sericite and quartz-sericite-chlorite metasomatites, 2) subepithermal Au-Bi-Te-Pd-quartz mineralization in quartz-sericite metasomatites, and 3) intermediate-sulfidation Au-Ag mineral assemblages with selenides, tellurides, and Sb and As sulfosalts in argillisites. The Ak-Sug deposit exhibits the features of the evolution of mineral assemblages, temperatures, composition, and fluid salinity during the transition from porphyry copper to the epit
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Herzog, Christian, and Hermann Diebel-Fischer. "Teaching ethics through the back door? Employing ideas from assemblage theory to foster a responsible innovation mindset." In SEFI 50th Annual conference of The European Society for Engineering Education. Universitat Politècnica de Catalunya, 2022. http://dx.doi.org/10.5821/conference-9788412322262.1390.

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Adding ethics courses to engineering curricula seeks to equip students with the critical mindset that enables careers committed to serving humanity. Yet, the knowledge of ethical theories is neither a necessary, let alone sufficient condition for being good [1]. There is no automatism that translates ethical knowledge into action, overriding attitudes that were developed during the enculturation of a student. However, we deem teaching assemblage theory a promising means to achieve a sustained commitment to responsible innovation practice. We base our argument on assemblage theory’s (cf. [2, 3]
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Brown, Sabrina R., and Sherilyn C. Fritz. "HOLOCENE REGIONAL CLIMATE INFERRED FROM DIATOM ASSEMBLAGES OF YELLOWSTONE LAKE." In 52nd Annual North-Central GSA Section Meeting - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018nc-312845.

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Luque, Javier, Michael Meyer, Andres L. Cardenas, and Derek Briggs. "NEW EXCEPTIONALLY PRESERVED CRETACEOUS CRUSTACEAN ASSEMBLAGES FROM TROPICAL SOUTH AMERICA." In GSA Annual Meeting in Indianapolis, Indiana, USA - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018am-323031.

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Reports on the topic "Frog assemblages"

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Thomas, Lisa, Christopher Calvo, Jolie Gareis, Lisa Thomas, Christopher Calvo, and Jolie Gareis. Semi-arid plant communities of the Southern Colorado Plateau in relation to regional climate context and local topoedaphic conditions: Comparing species abundance patterns across a network of sites to identify climate-driven vulnerabilities and inform hypotheses about future composition shifts. National Park Service, 2024. https://doi.org/10.36967/2306569.

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With climate projections for increased warming and greater drought severity, the semi-arid grasslands, shrublands and pinyon-juniper woodlands occurring at lower elevations on the Colorado Plateau are likely to change in coming decades. Using shrub and herbaceous data from seven long-term study areas, I describe across-ecosite compositional gradients within the current regional climate context and compare spatial variability among assemblages. At the local scale, I model the relationship between composition and topoedaphic conditions. I use these results to develop hypotheses regarding the typ
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McNeil, D. H., J. Dixon, and K. M. Bell. The age, foraminifera, and palynology of the Upper Cretaceous Eagle Plain Group, northern Yukon. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328237.

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A re-evaluation of the age of the formations comprising the Eagle Plain Group of northern Yukon was necessitated by widely disparate age determinations in recent years from various authors. Maximum age estimates for the base of the group have varied from middle Albian to Cenomanian, and age estimates for the uppermost strata varied by an even greater range, from Cenomanian to late Maastrichtian. A re-examination of new and archival foraminiferal and palynological data indicates an age range of Cenomanian to late Maastrichtian for the Eagle Plain Group. The late Maastrichtian age is derived fro
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Utting, J. Lower carboniferous miospore assemblages from the Hart River formation, northern Yukon Territory. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1991. http://dx.doi.org/10.4095/132680.

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Wall, J. H. Mesozoic microfossil assemblages from two wells on Prince Patrick Island, Canadian Arctic Archipelago. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2004. http://dx.doi.org/10.4095/215685.

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Turnbull, Daisy K. E. A Lost Cargo: An Archaeological Study of Amphorae of a Late Roman Merchant Ship in the Western Black Sea. Honor Frost Foundation, 2023. http://dx.doi.org/10.33583/mags2021.09.

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This paper discusses the remains of a ceramic assemblage associated with the cargo of a Late Roman trading vessel, discovered by the Black Sea Maritime Archaeology Project (BSMAP) in 2017. Dating from the early 4th century AD, this previously undisturbed wreck is arguably the most comprehensive assemblage of a Late Roman trading vessel yet discovered outside of the Mediterranean. Through comparative analysis of 81 amphorae in the forward section of the wreck, this paper aims to draw further understanding of the maritime trade systems that operated between the major seas of the Eastern Roman em
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Ryan, J. J., and A. Zagorevski. Northern Cordillera geology: a synthesis of research from the Geo-mapping for Energy and Minerals program, British Columbia and Yukon. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/326050.

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Geological Survey of Canada Bulletin 610 summarizes some significant research results and future directions from twelve years of field-based research in the northern Cordillera. The Bulletin presents five distinct, stand-alone, thematic sections: 'Oceanic terranes'; 'Pericratonic Yukon-Tanana terrane'; 'Cordilleran magmatism'; 'Overlap assemblages'; and 'Geophysical characteristics'. These papers are not intended to provide an exhaustive summary of all research that was carried out over the course of GEM; however, these themes, along with individual activity results, provide a good starting po
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Roots, C. F., and L. Heaman. Mississippian U-Pb dates from Dorsey Terrane assemblages in the upper Swift River area, southern Yukon Territory. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2001. http://dx.doi.org/10.4095/211980.

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Helmold, K. P., and D. L. LePain. Petrology and reservoir quality of sandstones from the Kahiltna Assemblage and Yenlo Hills graywacke: Initial impressions. Alaska Division of Geological & Geophysical Surveys, 2015. http://dx.doi.org/10.14509/29467.

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Schetselaar, E. M., G. Bellefleur, and P. Hunt. Integrated analyses of density, P-wave velocity, lithogeochemistry, and mineralogy to investigate effects of hydrothermal alteration and metamorphism on seismic reflectivity: a summary of results from the Lalor volcanogenic massive-sulfide deposit, Snow Lake, Manitoba. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/327999.

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We present herein a summary of integrated data analyses aimed at investigating the effects of hydrothermal alteration on seismic reflectivity in the footwall of the Lalor volcanogenic massive-sulfide (VMS) deposit, Manitoba. Multivariate analyses of seismic rock properties, lithofacies, and hydrothermal alteration indices show an increase in P-wave velocity for altered volcanic and volcaniclastic lithofacies with respect to their least-altered equivalents. Scanning electron microscopy-energy dispersive X-ray spectrometry analyses of drill-core samples suggest that this P-wave velocity increase
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Naibert, T. J., Alicja Wypych, Evan Twelker, and J. A. Benowitz. Metamorphic cooling history of the Fortymile River and Lake George assemblages from 40Ar/39Ar geochronology from the northeast Tanacross and southeast Eagle quadrangles, Alaska. Alaska Division of Geological & Geophysical Surveys, 2020. http://dx.doi.org/10.14509/30540.

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