Academic literature on the topic 'Neotropical otter'

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Journal articles on the topic "Neotropical otter"

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Bettoni, Sabrina, Angela Stoeger, Camilo Rodriguez, and W. Tecumseh Fitch. "Airborne vocal communication in adult neotropical otters (Lontra longicaudis)." PLOS ONE 16, no. 5 (2021): e0251974. http://dx.doi.org/10.1371/journal.pone.0251974.

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Most aquatic mammals have complex social and communication systems. Interestingly, little is known about otters’ vocal communication compared to other aquatic mammals. Here, for the first time, we acoustically describe vocalizations of the neotropical otter (Lontra longicaudis), a solitary and endangered New World otter species. We recorded vocalizations and behavioral contexts from six captive neotropical otters at Projeto Lontra, Santa Catarina Island, Brazil. Analysis of acoustic parameters were used to classify the vocalizations according to structure and context. We describe six call type
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Rosas, Fernando, Gabriel de Oliveira, José Barcellos, and Stella Lazzarini. "Gross anatomy and histology of giant otter (Pteronura brasiliensis) and neotropical otter (Lontra longicaudis) testes." Animal Biology 61, no. 2 (2011): 175–83. http://dx.doi.org/10.1163/157075511x566506.

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AbstractThe gonads of six adult giant otter males (Pteronura brasiliensis) and of one adult neotropical otter male (Lontra longicaudis) were analyzed both for histology and gross anatomy. The mean testes mass/body mass ratio in giant otters was 0.046 ± 0.0071%. The presence of spermatozoa inside the seminiferous and epididymal tubules revealed that two-year-old giant otters were already sexually mature. The mean diameter of the seminiferous and epididymal tubules of mature giant otters was 126.3 ± 13.37 μm and 198.8 ± 31.19 μm, respectively. The small amount of spermatozoa in the testes and ep
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Leyva-García, Germán, Juan Pablo Gallo-Reynoso, and Isai David Barba-Acuña. "Exploring new sites: the neotropical otter (Lontra longicaudis annectens) in Bahía del Tóbari, Sonora, México." Therya notes 4, no. 2 (2023): 68–73. http://dx.doi.org/10.12933/therya_notes-23-108.

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La nutria neotropical (Lontra longicaudis annectens) tiene una amplia distribución en México, la especie habita en ríos, lagunas, esteros, humedales y bahías. Desde bosques de pino-encino, bosques mesófilos de montaña subtropicales hasta manglares, y desde los 2,617 m hasta el nivel del mar. El objetivo del estudio fue reportar la presencia de nutrias neotropicales en un medio ambiente salobre, incluyendo islotes artificiales o tarquinas para alimentarse y descansar. Se encontraron rastros de nutria neotropical mientras se hacían conteos de aves y la estimación de la anidación de aves marinas
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Borges, João Carlos Gomes, Danielle Dos Santos Lima, Beatriz Mafalda Calera, et al. "Cryptosporidiumspp. andGiardiasp. in Neotropical river otters (Lontra longicaudis) and giant otters (Pteronura brasiliensis) in northern Brazil." Journal of the Marine Biological Association of the United Kingdom 98, no. 8 (2017): 2153–57. http://dx.doi.org/10.1017/s0025315417001709.

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Evaluating the occurrence of diseases in aquatic mustelids is a priority in the conservation strategies for the Neotropical river otter and giant otter. Thus, the objective of this study was to determine the frequency of infection caused byCryptosporidiumspp. andGiardiasp. in both host species in northern Brazil. The collection of biological samples was carried out in the states of Amapá, Amazonas, Pará and Rondônia, totalling 337 faecal samples of these species, which were processed using Kinyoun's technique for the identification ofCryptosporidiumspp. oocysts, and centrifugal flotation in zi
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Corona-Figueroa, Mildred Fabiola, John Alexander Giraldo-Mueses, José Rogelio Cedeño-Vázquez, et al. "Confirmed presence of the Neotropical otter, Lontra longicaudis, in Laguna Bacalar, Quintana Roo, Mexico." Revista Mexicana de Biodiversidad 93 (May 23, 2022): e933847. http://dx.doi.org/10.22201/ib.20078706e.2022.93.3847.

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The Neotropical otter Lontra longicaudis is one of the least studied mammals of the Yucatán Peninsula and its presence in some water bodies of this region is questionable. Laguna Bacalar is the largest freshwater body located in the Yucatán Peninsula and faces several conservation problems due to its high potential for tourism development. We confirmed the presence of L. longicaudis in Laguna Bacalar by conducting interviews with residents, and the search for direct (sightings) and indirect (e.g., footprints) evidence of the species in 2013. We also include recent direct and indirect evidence
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Rheingantz, Marcelo Lopes, Caroline Leuchtenberger, Carlos André Zucco, and Fernando A. S. Fernandez. "Differences in activity patterns of the Neotropical otter Lontra longicaudis between rivers of two Brazilian ecoregions." Journal of Tropical Ecology 32, no. 2 (2016): 170–74. http://dx.doi.org/10.1017/s0266467416000079.

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Abstract:Circadian use of time is an important, but often neglected, part of an animal's niche. We compared the activity patterns of the Neotropical otter Lontra longicaudis in two different areas in Brazil using camera traps placed at the entrance of holts. We obtained 58 independent photos in the Atlantic Forest (273 camera trap-days) and 46 photos in Pantanal (300 camera trap-days). We observed different kernel density probabilities on these two areas (45.6% and 14.1% overlap between the 95% and 50% density isopleths respectively). We observed the plasticity in Neotropical otter activity be
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Pozos-López, Luis Ángel, Noé González-Ruiz, and José Ramírez-Pulido. "Unusual importance of insectivory in the diet of the Neotropical otter, Lontra annectens (Major, 1897) (Mammalia, Carnivora)." Neotropical Biology and Conservation 19, no. 4 (2024): 505–16. https://doi.org/10.3897/neotropical.19.e131700.

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The Neotropical otter, Lontra annectens, is a predator specialized in aquatic prey, and the main diet of this otter is fish, supplemented mainly by crustaceans and opportunistically by mollusks, insects, and vertebrates such as mammals, amphibians, birds, and reptiles. Occasionally, they eat fruits. This study was conducted on the El Despoblado River near Villa Comaltitlán, in southern Chiapas. We carried out monthly visits along the riverbanks to collect otter scats from April 2018 to April 2019 and found that insects make up more than half of the diet of otters living in this river. Although
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Silva, Roberta Elise, Fernando Cesar Weber Rosas, and Jansen Zuanon. "Feeding ecology of the giant otter (Pteronura brasiliensis) and the Neotropical otter (Lontra longicaudis) in Jaú National Park, Amazon, Brazil." Journal of Natural History 48, no. 7-8 (2013): 465–79. https://doi.org/10.1080/00222933.2013.800607.

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Silva, Roberta Elise, Rosas, Fernando Cesar Weber, Zuanon, Jansen (2013): Feeding ecology of the giant otter (Pteronura brasiliensis) and the Neotropical otter (Lontra longicaudis) in Jaú National Park, Amazon, Brazil. Journal of Natural History 48 (7-8): 465-479, DOI: 10.1080/00222933.2013.800607, URL: http://dx.doi.org/10.1080/00222933.2013.800607
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Carvalho-Junior, Oldemar de Oliveira, Marcelo Antônio Tosatti, Procássia Maria Barbosa, Andreoara Schmidt, Priscila dos Santos Esteves, and Alesandra Bez Birolo. "Neotropical otter population strengthening in the wild / Reforço populacional de lontra neotropical na natureza." Brazilian Journal of Animal and Environmental Research 5, no. 2 (2022): 2540–52. http://dx.doi.org/10.34188/bjaerv5n2-088.

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This work aims to contribute to the definition of a protocol for the safe release of Lontra longicaudis in the wild. It is used information from the database of the Animal Refuge Conservationist Breeding Center of the Instituto Ekko Brasil/Projeto Lontra. A proposed enclosure is presented, containing a minimum area of 60 m2, for an individual, with a tank occupying at least 40% of the enclosure, with a depth of 1,5 m, a feeding area of 2 m2, in addition to research actions, social mobilization, environmental education, and public policies. The research seeks to create a protocol adapted to the
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Norris, Darren, and Fernanda Michalski. "Human disturbances and the daytime activity of sympatric otters along equatorial Amazonian rivers." PeerJ 11 (July 21, 2023): e15742. http://dx.doi.org/10.7717/peerj.15742.

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Background Previous studies suggest coexistence between sympatric neotropical (Lontra longicaudis) and giant otters (Pteronura brasiliensis) maybe facilitated by temporal and spatial differences in activity. Yet, to date there has been no systematic evaluation of activity of these species in sympatry. Here we use extensive multi-year field data to compare temporal and spatial patterns in the diurnal activity of sympatric giant and neotropical otters to answer three questions: Do temporal patterns in daytime river use change in relation to seasonal river levels (low, rising, high and declining
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Dissertations / Theses on the topic "Neotropical otter"

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Terra, Rodrigo Farias de Carvalho. "Uso de área e hábitos alimentares de Lontra longicaudis (Olfers, 1818) em uma área de caatinga do baixo rio São Francisco, Sergipe/Alagoas, Brasil." Universidade Federal de Sergipe, 2016. https://ri.ufs.br/handle/riufs/4470.

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The Neotropical otter Lontra longicaudis (Olfers, 1818) have a large distribution, occurring in great part of Latin America, from northwestern of Mexico to northern of Argentina and in all Brazilian territory. The majority of works about L. longicaudis in Brazilian northeastern treats only on occurrence records. Upon the distribution in Caatinga, there is no information in literature concerning the species. The diet consists of fishes and crustacean. Therefore, L. longicaudis inhabits regions associates to fluvial systems. It is encountered more easily in areas where there is no intense
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Moreno, Marcos Edmor Ladeira. "Os ataques realizados pelas lontras aos tanques de peixes e o conhecimento dos piscicultores para com a lontra neotropical Lontra longicaudis Olfers, 1818 (Carnívora – Mustelidae)." Universidade Federal de Juiz de Fora (UFJF), 2008. https://repositorio.ufjf.br/jspui/handle/ufjf/2858.

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Submitted by Renata Lopes (renatasil82@gmail.com) on 2016-10-17T13:19:10Z No. of bitstreams: 1 marcosedmorladeiramoreno.pdf: 655656 bytes, checksum: 40d75f6270477b02d3fa015dd3dc0b3c (MD5)<br>Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2016-10-22T13:19:29Z (GMT) No. of bitstreams: 1 marcosedmorladeiramoreno.pdf: 655656 bytes, checksum: 40d75f6270477b02d3fa015dd3dc0b3c (MD5)<br>Made available in DSpace on 2016-10-22T13:19:29Z (GMT). No. of bitstreams: 1 marcosedmorladeiramoreno.pdf: 655656 bytes, checksum: 40d75f6270477b02d3fa015dd3dc0b3c (MD5) Pr
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Guerrero, Flores Jimena Jazibel. "Conservation genetics of neotropical otters (Lontra longicaudis) in México." Thesis, University of Glasgow, 2014. http://theses.gla.ac.uk/6247/.

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In this thesis I aimed to provide base-line data to inform conservation of neotropical otters (Lontra longicaudis ) at both the range-wide and local (Mexico) scale. In Chapter 2, I compared three commonly used preservation methods for faecal DNA in order to identify the best method for neotropical otter faeces under challenging field conditions and long-term storage: 1) ambient-temperature drying, 2) a two-step protocol involving incubation in 95% ethanol and posterior silica desiccation, and 3) RNAlater. The results of this experiment showed that that RNAlater provides the highest mtDNA ampli
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George, Gregory A. "Foraging ecology of male Cerulean warblers and other neotropical migrants." Morgantown, W. Va. : [West Virginia University Libraries], 2009. http://hdl.handle.net/10450/10265.

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Thesis (Ph. D.)--West Virginia University, 2009.<br>Title from document title page. Document formatted into pages; contains ix, 85 p. : ill. (some col.), col. map. Includes abstract. Includes bibliographical references.
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James, Samantha. "Herpèsvirus de primates et de chauves-souris du nouveau monde : modèles d'étude des relations évolutives hôtes-virus DNA polymerase sequences of New World Monkey Cytomegaloviruses : another molecular marker with which to infer Platyrrhini systematics Novel herpesviruses of neotropical bats and their relationships with other members of the Herpesviridae family." Thesis, Guyane, 2019. http://www.theses.fr/2019YANE0004.

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Les virus appartenant à la famille Herpesviridae (ordre Herpesvirales) sont répartis au sein de trois sous-familles : Alpha-, Beta- et Gamma-herpesvirinae. Ils ont été identifiés à partir d’un large spectre d’espèces hôtes, allant des mammifères aux reptiles en passant par les oiseaux et ont la capacité de persister toute au long de la vie de l’hôte. La plupart de ces virus sont par ailleurs spécifiques d’une espèce hôte. La large distribution des herpèsvirus, associée à une infection généralement asymptomatique chez l’hôte naturel suggèrent que ces virus auraient co-évolué avec leurs hôtes.Mo
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Dias, Ana Sofia Vieira. "The Neotropical otter in southeast Brazil: a socioecological approach." Master's thesis, 2016. http://hdl.handle.net/10451/25638.

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Tese de mestrado, Biologia da Conservação, Universidade de Lisboa, Faculdade de Ciências, 2016<br>Desde há vários milhares de anos que se reconhece a existência de problemas entre as populações humanas e as espécies silvestres, alguns devido a sobre-exploração por parte do Homem, outros devido a competição por alguns recursos biológicos chave. Estes dois fatores em regra geram conflitos e atitudes negativas por parte das populações humanas, face ao impacto negativo que as espécies silvestres têm nas atividades humanas, como a agricultura ou piscicultura. Em casos extremos, as espécies podem se
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Books on the topic "Neotropical otter"

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Skutch, Alexander Frank. Trogons, laughing falcons, and other neotropical birds. Texas A & M University Press, 1999.

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Santos-Flores, Carlos José. Aquatic and water-borne Hyphomycetes (Deuteromycotina): In streams of Puerto Rico, including records from other Neotropical locations. College of Arts and Sciences, University of Puerto Rico, 1997.

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Santos-Flores, Carlos José. Aquatic and water-borne Hyphomycetes (Deuteromycotina): In streams of Puerto Rico, including records from other Neotropical locations. College of Arts and Sciences, University of Puerto Rico, 1997.

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Brooks, Melody, and Roland Kays. Kinkajou: the tree-top specialist. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198759805.003.0026.

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Kinkajous have evolved a suite of unique adaptations not seen in other Carnivores, helping them thrive in the canopies of neotropical forests. They have a prehensile tail and reversible hind feet to help them climb trees, and large eyes and scent glands to help them navigate complex tropical canopies at night. By sticking to the treetops at night kinkajous have very few potential predators, and this frees them from the need move in large groups for protection, as seen in most diurnal primates. Instead, kinkajous live in small social groups that forage for fruits and flowers mostly as singleton
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Book chapters on the topic "Neotropical otter"

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Zent, Stanford, and Egleé Zent. "Co-ecology of Jotï, Primates, and Other People: A Multispecies Ethnography in the Venezuelan Guayana." In Neotropical Ethnoprimatology. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-27504-4_8.

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Barbosa, Bruno Corrêa, Tatiane Tagliatti Maciel, Alexandre Somavilla, and Fábio Prezoto. "Interactions Between Wasps and Other Animals: Associations and Natural Enemies." In Neotropical Social Wasps. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-53510-0_21.

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Urquiza-Haas, Esmeralda Gabriela, Rosa Icela Ojeda Martínez, and Kurt Kotrschal. "Mental State Attribution to Nonhuman Primates and Other Animals by Rural Inhabitants of the Community of Conhuas Near the Calakmul Biosphere Reserve in the Yucatan Peninsula, Mexico." In Neotropical Ethnoprimatology. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-27504-4_2.

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Power, Michael L. "The Other Side of Callitrichine Gummivory." In Adaptive Radiations of Neotropical Primates. Springer US, 1996. http://dx.doi.org/10.1007/978-1-4419-8770-9_6.

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Serio-Silva, Juan Carlos, Ricarda Ramírez-Julián, Timothy M. Eppley, and Colin A. Chapman. "Terrestrial Locomotion and Other Adaptive Behaviors in Howler Monkeys (Alouatta pigra) Living in Forest Fragments." In Movement Ecology of Neotropical Forest Mammals. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-03463-4_9.

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Prieto-Torres, David A., Octavio Rojas-Soto, and Andrés Lira-Noriega. "Ecological Niche Modeling and Other Tools for the Study of Avian Malaria Distribution in the Neotropics: A Short Literature Review." In Avian Malaria and Related Parasites in the Tropics. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-51633-8_7.

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Leigh, Egbert Giles. "The Seasonal Rhythm of Fruiting and Leaf Flush and the Regulation of Animal Populations." In Tropical Forestecology A Viewfrom Barro Colorado Island. Oxford University PressNew York, NY, 1999. http://dx.doi.org/10.1093/oso/9780195096026.003.0007.

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Abstract The most conspicuous herbivores are vertebrates. In Panama many of these herbivores eat leaves (especially young leaves), which are sugar factories the plants depend on; other herbivores eat seeds and seedlings. In the Neotropics, consumption of twigs, bark, and the like is less than in the United States, or in Madagascar or New Zealand in the days of elephant birds and moas. To what extent the restricted diets of modern vertebrate herbivores of Neotropical forests is an artifact of the human presence is not yet known.
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Allen, Noris, Clotilde Arrocha, José Gudiño, and Clementina Chung. "The Mosses of Barro Colorado Island." In The First 100 Years of Research on Barro Colorado: Plant and Ecosystem Science. Smithsonian Institution Scholarly Press, 2024. http://dx.doi.org/10.5479/si.26882407.

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Ninety-two species of mosses in 23 families are reported for Barro Colorado Island (BCI), Panama. Most species grow in the understory with some reaching the upper trunks and tree crowns. Mosses grow on the bark of trees, shrubs, and lianas as well as on palm roots, rocks, and less often soil. Most BCI moss species have creeping stems and branches, whereas some have upright stems and form tight or loose turfs and a few have a dendroid habit growing perpendicular to or pendent from trunks. A majority (56) of BCI species have Neotropical distribution, 14 have ranges that span the Americas and Afr
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Block, William M., Deborah M. Finch, and Leonard A. Brennan. "Single-Species Versus Multiple-Species Approaches For Management." In Ecology And Management Of Neotropical Migratory Birds. Oxford University PressNew York, NY, 1995. http://dx.doi.org/10.1093/oso/9780195084405.003.0016.

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Abstract Neotropical migratory birds are major components of the avifauna in most North American terrestrial ecosystems. Over 150 species of Neotropical migratory birds are known to breed in North America (Finch 1991a). Given the large number of species, developing effective management strategies for Neotropical migratory birds is a monumental task because each species exploits a unique niche, and thus requires different considerations for the management of its habitats and populations. Management is complicated further by temporal and spatial variations in resource-use patterns by many specie
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Pérez-Iglesias, Juan Manuel, Nadia C. Bach, Fabricio D. Cid, Lilian Franco-Belussi, Celeste Ruiz de Arcaute, and Raquel Salla. "Genotoxic, Biochemical and Physiological Biomarkers Triggered by Agrochemicals in Neotropical Anuran Species." In Amphibian Species in Environmental Risk Assessment Strategies. Royal Society of Chemistry, 2023. http://dx.doi.org/10.1039/9781837672004-00221.

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At present, there are two key features of Neotropical amphibians’ biodiversity: one is that it is amazing and the other is that it is disappearing. This region has the highest diversity of species containing more species of amphibians than tropical Africa and Southeast Asia combined. Examination of assessment data for all Neotropical anuran species shows that modern agricultural practises top the list of threats, posing risks to up to 30% of all the assessed species. This type of agriculture makes use of a wide range of agrochemicals for genetically modified tolerant seeds. In this context, bi
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Conference papers on the topic "Neotropical otter"

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Culik, Mark Paul. "Pink hibiscus mealybug (Maconellicoccus hirsutus) and other invasive insects in Brazil: Can classical biological control help save Neotropical biodiversity?" In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.91352.

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Reports on the topic "Neotropical otter"

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Audsley, Neil, Gonzalo Avila, Claudio Ioratti, et al. Mexican fruit fly, Anastrepha ludens (Loew). Euphresco, 2023. http://dx.doi.org/10.1079/20240228445.

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The Mexican fruit fly (Anastrepha ludens) is a major pest of mango and citrus, causing significant damage through larval tunneling and fruit rotting. Native to Central America, it has also been found in the southern USA and poses a potential threat to the Mediterranean region. Classical biological control efforts began in the 1950s with the introduction of various parasitoids, though only Diachasmimorpha longicaudata and Aceratoneuromyia indica established successfully. Diachasmimorpha longicaudata remains the most effective, achieving up to 33% parasitism in augmentative releases. Other promi
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