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Academic literature on the topic 'Animals : Grizzlies'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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Journal articles on the topic "Animals : Grizzlies"

1

Stoddart, Mark C. J. "Grizzlies and Gondolas: Animals and the Meaning of Skiing Landscapes in British Columbia, Canada." Nature and Culture 6, no. 1 (March 1, 2011): 41–63. http://dx.doi.org/10.3167/nc.2011.060103.

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This article examines several ways in which animals are brought into skiing in British Columbia, Canada. Discourse analysis, interviews with skiers, and field observation are used to analyze how skiing joins together skiers, mountain landscapes, and non-human animals. First, animals enter ski industry discourse primarily as symbols of nature, or as species that ski corporations manage through habitat stewardship. Second, environmentalists recruit animals—particularly bears and mountain caribou—into a discourse of wildlife and wilderness values that are threatened by ski industry expansion. From this standpoint, skiing landscapes transform wildlife landscapes to meet the needs of a global tourist economy. Finally, skiers' talk about their own encounters with animals illustrates how embodied animals also shape skiers' experience of mountainous nature.

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2

Rosen, Meghan. "Genes & Cells: Grizzlies master healthy obesity: Tuned insulin signals may keep animals free of diabetes." Science News 186, no. 5 (August 26, 2014): 13. http://dx.doi.org/10.1002/scin.2014.5591860512.

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3

Clevenger, Anthony P., and Mathieu Leblond. "Leçons tirées de l’étude des passages fauniques enjambant une autoroute dans le parc national de Banff." Les routes et la grande faune 136, no. 2 (May 11, 2012): 35–41. http://dx.doi.org/10.7202/1009104ar.

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Un programme de suivi à long terme permet d’évaluer l’efficacité des mesures d’atténuation installées sur l’autoroute Transcanadienne qui traverse le parc national de Banff, en Alberta, Canada. Depuis 1996, les passages fauniques conçus pour la grande faune ont été traversés plus de 218 000 fois. Les cerfs ont effectué 62 % des traversées contre 19 % pour les wapitis et < 8 % pour les grands carnivores. À disponibilité égale, les ours grizzlis, les orignaux, les cerfs et les wapitis ont semblé préférer les passages supérieurs (par-dessus la route) aux passages inférieurs, alors que les cougars et les coyotes ont utilisé les 2 types de structure également. Nous avons estimé que le temps d’adaptation aux passages fauniques variait entre 3 ans (cougar, ours noir) et 9 ans (ours grizzli, loup gris). En moyenne, pour les 8 espèces étudiées, la période d’adaptation initiale était de 4,4 ans, alors que la période d’adaptation complète était de 5,9 ans. Au cours des 15 dernières années, nous avons contribué à la recherche environnementale ainsi qu’à la gestion et la planification des transports, afin de concevoir des routes mieux adaptées aux populations animales.

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4

Boonpromkul, Phacharawan. "Of Grizzlies and Man: Watching Werner Herzog’s Grizzly Man Through an Ecocritical Lens." MANUSYA 18, no. 2 (2015): 28–43. http://dx.doi.org/10.1163/26659077-01802002.

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The documentary film Grizzly Man (2005), directed by Werner Herzog, is of special interest among ecocritics and environmental advocates because it deals directly with the topic of wildlife depiction, conservationism and, above all the interspecies relationship between grizzlies and man. This article investigates five problematic elements of Grizzly Man as an ecological film: the wildlife documentary as a genre, the highly controversial figure of Timothy Treadwell who produced the original footage, the grizzlies in the background, the voice and hand of the director Herzog in this film, and the film’s ending. The analysis of these five areas may deepen the audiences’ understanding of both the film and the ecocritical approach to literature. Apart from highlighting certain contradictions in the film’s ecological message and its representation of wild animal, the article tries, in its conclusion, to examine the film’s potential to generate environmentally positive responses and create a better understanding of both wildlife and the key human figure in this film.

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5

Boertje, R. D., W. C. Gasaway, D. V. Grangaard, and D. G. Kelleyhouse. "Predation on moose and caribou by radio-collared grizzly bears in east central Alaska." Canadian Journal of Zoology 66, no. 11 (November 1, 1988): 2492–99. http://dx.doi.org/10.1139/z88-369.

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Radio-collared grizzly bears (Ursus arctos) were sighted daily for approximately 1-month periods during spring, summer, and fall to estimate predation rates. Predation rates on adult moose (Alces alces) were highest in spring, lowest in summer, and intermediate in fall. The highest kill rates were by male grizzlies killing cow moose during the calving period. We estimated that each adult male grizzly killed 3.3–3.9 adult moose annually, each female without cub(s) killed 0.6–0.8 adult moose and 0.9–1.0 adult caribou (Rangifer tarandus) annually, and each adult bear killed at least 5.4 moose calves annually. Grizzly predation rates on calves and grizzly density were independent of moose density and are probably more related to area-specific factors, e.g., availability of alternative foods. An important implication of our results is that managers should not allow moose densities to decline to low levels, because grizzlies can have a greater relative impact on low- than on high-density moose populations and because grizzly predation can be difficult to reduce. Grizzly bears were primarily predators, rather than scavengers, in this area of low prey availability (11 moose/grizzly bear); bears killed four times more animal biomass than they scavenged.

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6

Rao, Golusu Babu, Rajarathnavel Nagarajan, Murali Saravanan, and Nagarajan Baskaran. "Activity Pattern and Food Habits of Grizzled Giant Squirrel (Ratufa macroura) in Srivilliputhur Grizzled Squirrel Wildlife Sanctuary, Tamil Nadu, Southern India." International Letters of Natural Sciences 32 (January 2015): 54–67. http://dx.doi.org/10.18052/www.scipress.com/ilns.32.54.

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Activity pattern and food habits of Grizzled Giant Squirrel were investigated in Srivilliputhur Grizzled Giant Squirrel Wildlife Sanctuary from December 2011 to March 2012. Focal animal sampling method was used to record the activity pattern and food habits. Sampling was done in three different habitats viz., Private land, Reserve forest and Temple land. Feeding was the dominant activity accounting for 35.4% of the activity period. Bimodal feeding pattern was observed in Squirrels, the observations were made from early morning hours to till (0600-1800) late evening hours. The Squirrels feed upon 23 plant species; among them 11 were trees species, 10 climbers and 2 shrubs. Seven types of plant parts were used by Squirrels. Leaf consumption was high (38%) followed by fruit (24%). The high consumption of leaves was due to easy availability of leaves and limited availability of other plant parts. Squirrel’s invasion into Private Land and Temple Land was observed which can be attributed to abundance and easy availability of food plants, canopy continuity and less predatory pressure.

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7

Meena, Shyam Sundar, Anil Tripathi, Vijay Kumar Koli, and M. Akram Awan. "Rediscovery of the rare Desert Grizzled Skipper Spialia doris evanida Butler, 1880 (Hesperiidae: Pyrginae) from the Thar Desert, Rajasthan, India." Journal of Threatened Taxa 13, no. 3 (March 26, 2021): 18042–44. http://dx.doi.org/10.11609/jott.6348.13.3.18042-18044.

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The Desert Grizzled Skipper Spialia doris, a rare butterfly to the Indian subcontinent, prefers an arid and rocky environment. In this manuscript we report the rediscovery of this species from the Thar Desert, Rajasthan, India after 67 years with a note about its habitat.

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8

Peñuela, Mauricio, Fernando Rondón, Ranulfo González, and Heiber Cárdenas. "Transcontinental genetic inference of urban pigeon populations using phenotypic markers." Avian Biology Research 12, no. 4 (August 4, 2019): 152–62. http://dx.doi.org/10.1177/1758155919866550.

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Domestic pigeons have high polymorphism in plumage morphs and colours. The genes that affect colour and coat patterns can be used to estimate genetic profiles that allow us to deduce the structures of populations, establish whether they are in a population equilibrium and learn the genetic similarity among them. This article tested these population components and the existing relationships among cities in northern South America, Western Europe and Singapore (Southeast Asia) through the inventory of phenotypic frequencies and the estimation of allele frequencies for the Pattern, Grizzle, Background colour, Spread, Crest, Recessive white and Feathered feet loci. The Hardy–Weinberg equilibrium was evaluated based on the Pattern and Grizzle loci. The results showed a higher genetic diversity in populations from northern South America with respect to the one from Western Europe, although the differentiation among cities was low ( GST = 0.0759). Several populations were not in the Hardy–Weinberg equilibrium for the evaluated loci, and a significant correlation between genetic and geographic distances was not found. The relatively small home range of the pigeons and the dispersion carried out by humans are discussed as possible explanations for the current genetic profiles.

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9

Prado, Joyce R., and Alexandre R. Percequillo. "Aegialomys galapagoensis (Rodentia: Cricetidae)." Mammalian Species 51, no. 981 (October 14, 2019): 92–99. http://dx.doi.org/10.1093/mspecies/sez013.

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Abstract Aegialomys galapagoensis (Waterhouse, 1839) is a sigmodontine rodent commonly called the Galapagos rice rat. It is a medium-sized rodent, characterized by dense, soft, yellow or copper, weakly grizzled pelage; the dorsum is grayish or brownish and the ventral pelage is pale. It is endemic to the open habitats of the Galapagos Archipelago, occurring on three islands, Santa Fé Island (Barrington Island), San Cristóbal Island (Chatham Island), and Santiago Island (James Island). Restricted populations are considered a major threat to A. galapagoensis conservation throughout most of its range, as well as competition with Rattus rattus. A. galapagoensis is listed as “Vulnerable” by the International Union for Conservation of Nature and Natural Resources, and is listed as “Critically Endangered” on the Ecuador National list.

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10

Thomas, Kiran, and P. O. Nameer. "Characterisation of breeding habitat of Grizzled Giant Squirrel Ratufa macroura (Mammalia: Sciuridae) in Chinnar Wildlife Sanctuary, Western Ghats, India." Journal of Threatened Taxa 13, no. 8 (July 26, 2021): 18993–9001. http://dx.doi.org/10.11609/jott.7371.13.8.18993-19001.

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The Grizzled Giant Squirrel (GGS) Ratufa macroura (Pennant, 1769) is a ‘Near Threatened’ and endemic giant squirrel distributed in southern India and Sri Lanka. In India, the species is distributed in more than 10 locations between Cauvery Wildlife Sanctuary in Karnataka in the north and Srivilliputhur Grizzled Squirrel Wildlife Sanctuary in Tamil Nadu in the south. A study was conducted in the riparian habitats of Chinnar Wildlife Sanctuary in Kerala to understand the habitat characteristics, including the drey site use of GGS. The vegetation of the GGS habitat was studied using the quadrat method, and the dreys were counted using the transects. A total of 95 species of trees were identified from the riverine vegetation, and the GGS used 36 species of trees for drey construction. Most of the dreys were found on Mangifera indica, Terminalia arjuna, Ficus microcarpa, Diospyros ebenum, and Pongamia pinnata. However, the GGS may prefer trees such as Mitragyna parviflora, Diospyros ebenum, Ficus microcarpa, Albizia procera, Acacia nilotica, and Acacia leucophloea for drey construction. The study also highlights the usage of large trees with extensive crown by the GGS for various activities such as feeding, resting, moving, and nesting, thus signifying the necessity for protecting the remaining riverine habitat at Chinnar Wildlife Sanctuary to ensure the long-term conservation of GGS. We recommend an urgent restoration by restocking with already existing, native tree species of the riverine habitat due to the extremely poor regeneration of trees in the riverine habitat that support the only population of the GGS in Kerala.

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Books on the topic "Animals : Grizzlies"

1

Wakeman, Dan. Fortress of the grizzlies: The Khutzeymateen Grizzly Bear Sanctuary. [Surrey, B.C.]: Heritage House, 2003.

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2

Russell, Charles. Learning to be wild: Raising orphan grizzlies. London: Hutchinson, 2003.

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3

Andrea, Peacock, and Peacock Doug, eds. In the presence of grizzlies: Sharing our world with the great bear. Guilford, Conn: Lyons Press, 2009.

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4

Smith, Howard L. In the company of wild bears: A celebration of backcountry grizzlies and black bears. Guilford, Conn: Lyons Press, 2006.

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5

Nagelhout, Ryan. Great Big Grizzlies. Gareth Stevens Leveled Readers, 2013.

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6

Holdsworth, Henry H., and George Laycock. Grizzlies: Wilderness Legends (Northword Wildlife Series). Northword Press, 1997.

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7

Face to Face with Grizzlies (Face to Face with Animals). National Geographic Children's Books, 2009.

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8

Sartore, Joel. Face to Face with Grizzlies (Face to Face with Animals). National Geographic Children's Books, 2007.

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9

Grizzlies and Other Bears (World Book's Animals of the World). World Book, 2001.

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10

Sartore, Joel. Face to Face with Grizzlies (Face to Face with Animals). National Geographic Children's Books, 2007.

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