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Relevant bibliographies by topics / Cold adaptation

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Academic literature on the topic 'Cold adaptation'

Author: Grafiati

Published: 4 June 2021

Last updated: 30 July 2024

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Journal articles on the topic "Cold adaptation"

1

Clarke, Andrew. "Cold adaptation." Journal of Zoology 225, no. 4 (December 1991): 691–99. http://dx.doi.org/10.1111/j.1469-7998.1991.tb04339.x.

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Budd, G. M. "Cold stress and cold adaptation." Journal of Thermal Biology 18, no. 5-6 (December 1993): 629–31. http://dx.doi.org/10.1016/0306-4565(93)90103-z.

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Kaur, Jaskiran, and Veena Khanna. "Bacterial Adaptation to Cold." International Journal of Current Microbiology and Applied Sciences 6, no. 11 (November 10, 2017): 628–35. http://dx.doi.org/10.20546/ijcmas.2017.611.075.

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Hayley, Michael, Tatiana Chevaldina, and David H. Heeley. "Cold Adaptation of Tropomyosin." Biochemistry 50, no. 30 (August 2, 2011): 6559–66. http://dx.doi.org/10.1021/bi200327g.

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Barria, C., M. Malecki, and C. M. Arraiano. "Bacterial adaptation to cold." Microbiology 159, Pt_12 (December 1, 2013): 2437–43. http://dx.doi.org/10.1099/mic.0.052209-0.

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Thieringer, Heather A., Pamela G. Jones, and Masayori Inouye. "Cold shock and adaptation." BioEssays 20, no. 1 (December 6, 1998): 49–57. http://dx.doi.org/10.1002/(sici)1521-1878(199801)20:1<49::aid-bies8>3.0.co;2-n.

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LEENANON, B., and M. A. DRAKE. "Acid Stress, Starvation, and Cold Stress Affect Poststress Behavior of Escherichia coli O157:H7 and Nonpathogenic Escherichia coli†." Journal of Food Protection 64, no. 7 (July 1, 2001): 970–74. http://dx.doi.org/10.4315/0362-028x-64.7.970.

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The effects of acid shock, acid adaptation, starvation, and cold stress of Escherichia coli O157:H7 (ATCC 43895), an rpo S mutant (FRIK 816-3), and nonpathogenic E. coli (ATCC 25922) on poststress heat resistance and freeze–thaw resistance were investigated. Following stress, heat tolerance at 56°C and freeze–thaw resistance at −20 to 21°C were determined. Heat and freeze–thaw resistance of E. coli O157:H7 and nonpathogenic E. coli was enhanced after acid adaptation and starvation. Following cold stress, heat resistance of E. coli O157:H7 and nonpathogenic E. coli was decreased, while freeze–thaw resistance was increased. Heat and freeze–thaw resistance of the rpoS mutant was enhanced only after acid adaptation. Increased or decreased tolerance of acid-adapted, starved, or cold-stressed E. coli O157:H7 cells to heat or freeze–thaw processes should be considered when processing minimally processed or extended shelf-life foods.

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TASARA, T., and R. STEPHAN. "Cold Stress Tolerance of Listeria monocytogenes: A Review of Molecular Adaptive Mechanisms and Food Safety Implications." Journal of Food Protection 69, no. 6 (June 1, 2006): 1473–84. http://dx.doi.org/10.4315/0362-028x-69.6.1473.

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The foodborne pathogen Listeria monocytogenes has many physiological adaptations that enable survival under a wide range of environmental conditions. The microbes overcome various types of stress, including the cold stress associated with low temperatures in food-production and storage environments. Cold stress adaptation mechanisms are therefore an important attribute of L. monocytogenes, enabling these food pathogens to survive and proliferate to reach minimal infectious levels on refrigerated foods. This phenomenon is a function of many molecular adaptation mechanisms. Therefore, an improved understanding of how cold stress is sensed and adaptation measures implemented by L. monocytogenes may facilitate the development of better ways of controlling these pathogens in food and related environments. Research over the past few years has highlighted some of the molecular aspects of cellular mechanisms behind cold stress adaptation in L. monocytogenes. This review provides an overview of the molecular and physiological constraints of cold stress and discusses the various cellular cold stress response mechanisms in L. monocytogenes, as well as their implications for food safety.

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BERRY, ELAINE D., and PEGGY M. FOEGEDING. "Cold Temperature Adaptation and Growth of Microorganisms†." Journal of Food Protection 60, no. 12 (December 1, 1997): 1583–94. http://dx.doi.org/10.4315/0362-028x-60.12.1583.

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Most microorganisms must accommodate a variety of changing conditions and stresses in their environment in order to survive and multiply. Because of the impact of temperature on all reactions of the cell, adaptations to fluctuations in temperature are possibly the most common. Widespread in the environment and well-equipped for cold temperature growth, psychrophilic and psychrotrophic microorganisms may yet make numerous adjustments when faced with temperatures lower than optimum. Phospholipid and fatty acid alterations resulting in increased membrane fluidity at lower temperatures have been described for many cold tolerant microorganisms while others may make no similar adjustment. While the enzymes of cold growing bacteria have been less extensively studied than those of thermophilic bacteria, it appears that function at low temperature requires enzymes with flexible conformational structure, in order to compensate for lower reaction rates. In many organisms, including psychrophilic and psychrotrophic bacteria, specific sets of cold shock proteins are induced upon abrupt shifts to colder temperatures. While this cold shock response has not been fully delineated, it appears to be adaptive, and may function to promote the expression of genes involved in translation when cells are displaced to lower temperatures. The cold shock response of Escherichia coli has been extensively studied, and the major cold shock protein CspA appears to be involved in the regulation of the response. Upon cold shock, the induction of CspA and its counterparts in most microorganisms studied is prominent, but transient; studies of this response in some psychrotrophic bacteria have reported constitutive synthesis and continued synthesis during cold temperature growth of CspA homologues, and it will be interesting to learn if these are common mechanisms of among cold tolerant organisms. Psychrotrophic microorganisms continue to be a spoilage and safety problem in refrigerated foods, and a greater understanding of the physiological mechanisms and implications of cold temperature adaptation and growth should enhance our ability to design more effective methods of preservation.

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Schade, Babette, Gregor Jansen, Malcolm Whiteway, Karl D. Entian, and David Y. Thomas. "Cold Adaptation in Budding Yeast." Molecular Biology of the Cell 15, no. 12 (December 2004): 5492–502. http://dx.doi.org/10.1091/mbc.e04-03-0167.

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We have determined the transcriptional response of the budding yeast Saccharomyces cerevisiae to cold. Yeast cells were exposed to 10°C for different lengths of time, and DNA microarrays were used to characterize the changes in transcript abundance. Two distinct groups of transcriptionally modulated genes were identified and defined as the early cold response and the late cold response. A detailed comparison of the cold response with various environmental stress responses revealed a substantial overlap between environmental stress response genes and late cold response genes. In addition, the accumulation of the carbohydrate reserves trehalose and glycogen is induced during late cold response. These observations suggest that the environmental stress response (ESR) occurs during the late cold response. The transcriptional activators Msn2p and Msn4p are involved in the induction of genes common to many stress responses, and we show that they mediate the stress response pattern observed during the late cold response. In contrast, classical markers of the ESR were absent during the early cold response, and the transcriptional response of the early cold response genes was Msn2p/Msn4p independent. This implies that the cold-specific early response is mediated by a different and as yet uncharacterized regulatory mechanism.

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Dissertations / Theses on the topic "Cold adaptation"

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Ramey, Christopher Shane. "Post-transcriptional adaptation of Escherichia coli during the cold shock response." Diss., Restricted to subscribing institutions, 2007. http://proquest.umi.com/pqdweb?did=1464111681&sid=1&Fmt=2&clientId=1564&RQT=309&VName=PQD.

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Gilbert, Jack Anthony. "Cold adaptation strategies and diversity of Antarctic bacteria." Thesis, University of Nottingham, 2002. http://eprints.nottingham.ac.uk/10952/.

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Bacteria have been isolated from virtually every environment on Earth. The Antarctic continent is no exception. In this extremely cold and dry environment bacteria have colonised various refugia and have evolved a number of strategies for coping with the extreme physico-chemical fluctuations they are exposed to within the environment. These psychrophilic adaptations include cold adapted proteins and lipids which are interest for biotechnology in areas such as frozen foods, agriculture and cryogenic storage. One type of cold adapted protein of particular interest is the antifreeze protein (AFP) for its recrystalisation inhibition and thermal hysteresis activity. It was first isolated from Antarctic fish in the 1970, but has since been found in plants, fungi, insects and bacteria. Over 800 bacterial isolates were cultured from lakes of the, Vestfold Hills, Larsemann Hills and MacRobertson Land, Antarctica. Approximately 87% were Gram negative rods. A novel AFP assay designed for high-throughput analysis in Antarctica, demonstrated putative activity in 187 isolates. Subsequent SPLAT analysis (qualification assessment of recrystalisation inhibition activity) of the putative positive isolates showed 19 isolates with significant recrystalisation inhibition activity. These 19 isolates were cultured from five separate lakes with substantial physico-chemical differences. The 19 AFP active isolates were characterised, using amplified ribosomal DNA restriction analysis (ARDRA) and 16S rDNA sequencing, as predominantly belonging to genera from the a- and y-Proteobacteria, although they were more prominent in the gamma subdivision. One of these isolates (213, Halomonas sp.) was shown as dominant within its community by DGGE analysis, indicating a possible selective advantage for AFP active bacteria. This is the first report of the phylogenetic distribution of AFP activity within bacteria, thus providing information which could enable future bacterial AFP assessments to be aimed at specific taxonomic groups.

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Silva, Cátia Cláudia Bárria da. "The role of ribonuclease R in bacterial adaptation to cold shock." Master's thesis, Faculdade de Ciências Médicas, 2011. http://hdl.handle.net/10362/6634.

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RESUMO:Os microrganismos reagem à súbita descida de temperatura através de uma resposta adaptativa específica que assegura a sua sobrevivência em condições desfavoráveis. Esta adaptação inclui alterações na composição da membrana, na maquinaria de tradução e transcrição. A resposta ao choque térmico pelo frio induz uma repressão da transcrição. No entanto, a descida de temperatura induz a produção de um grupo de proteínas específicas que ajudam a ajustar/re-ajustar o metabolismo celular às novas condições ambientais. Em E. coli o processo de adaptação demora apenas quatro horas, no qual um grupo de proteínas específicas são induzidas. Depois desde período recomeça lentamente a produção de proteínas.A ribonuclease R, uma das proteínas induzidas durante o choque térmico pelo frio, é uma das principais ribonucleases em E. coli envolvidas na degradação do RNA. É uma exoribonuclease que degrada RNA de cadeia dupla, possui funções importantes na maturação e “turnover” do RNA, libertação de ribossomas e controlo de qualidade de proteínas e RNAs. O nível celular desta enzima aumenta até dez vezes após exposição ao frio e estabiliza em células na fase estacionária. A capacidade de degradar RNA de dupla cadeia é importante a baixas temperaturas quando as estruturas de RNA estão mais estáveis. No entanto, este mecanismo é desconhecido. Embora a resposta específica ao “cold shock” tenha sido descoberta há mais de duas décadas e o número de proteínas envolvidas sugerirem que esta adaptação é rápida e simples, continuamos longe de compreender este processo. No nosso trabalho pretendemos descobrir proteínas que interactuem com a RNase R em condições ambientais diferentes através do método “TAP-tag” e espectrometria de massa. A informação obtida pode ser utilizada para deduzir algumas das novas funções da RNase R durante a adaptação bacteriana ao frio e durante a fase estacionária. Mais importante ainda, RNase R poderá ser recrutada para um complexo de proteínas de elevado peso molecular durante o “cold-shock”.------------ABSTRACT:Microorganisms react to the rapid temperature downshift with a specific adaptative response that ensures their survival in unfavorable conditions. Adaptation includes changes in membrane composition, in translation and transcription machinery. Cold shock response leads to overall repression of translation. However, temperature downshift induces production of a set of specific proteins that help to tune cell metabolism and readjust it to the new environmental conditions. For Escherichia coli the adaptation process takes only about four hours with a relatively small set of specifically induced proteins involved. After this time, protein production resumes, although at a slower rate. One of the cold inducible proteins is RNase R, one of the main E. coli ribonucleases involved in RNA degradation. RNase R is an exoribonuclease that digest double stranded RNA, serves important functions in RNA maturation and turnover, release of stalled ribosomes by trans-translation, and RNA and protein quality control. The level of this enzyme increases about ten-fold after cold induction, and it is also stabilised in cells growing in stationary phase. The RNase R ability to digest structured RNA is important at low temperatures where RNA structures are stabilized but the exact role of this mechanism remains unclear. Although specific bacterial cold shock response was discovered over two decades ago and the number of proteins involved suggests that this adaptation is fast and simple, we are still far from understanding this process. In our work we aimed to discover the proteins interacting with RNase R in different environmental conditions using TAP tag method and mass spectrometry analysis. The information obtained can be used to deduce some of the new functions of RNase R during adaptation of bacteria to cold and in stationary growth phase. Most importantly RNase R can be recruited into a high molecular mass complex of protein in cold shock.

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Mäkinen, T. M. (Tiina M. ). "Human cold exposure, adaptation and performance in a northern climate." Doctoral thesis, University of Oulu, 2006. http://urn.fi/urn:isbn:951428089X.

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Abstract The purpose of the study was to examine the amount of cold exposure and factors affecting it at the population level in Finland, to determine what type of cold acclimatisation, if any, develops in urban residents in winter, and to find out whether cold acclimatisation or acclimation has a functional significance on psychological or physical performance. Tasks of low physical activity requiring attention and concentration (cognition, postural control) were assessed in cold. In a cross-sectional population study Finns aged from 25 to 74 years (n=6,951) were queried of their wintertime outdoor exposure duration and factors affecting it. In experimental studies seasonal cold acclimatisation (thermal responses) and its effect on cognition were assessed in the laboratory, where 15 young urban subjects were exposed to cold in winter and summer in bright or dim light. A controlled cold acclimation trial (n=10) was performed to study the effects of repeated exposures to cold on cognitive performance and postural control in young urban subjects. In the Finnish population the average amount of cold exposure in winter represents 4% of the total time. Most of the cold exposure occurs during leisure time and in outdoor occupations (agriculture, forestry, mining, industry, construction). Factors explaining increased occupational cold exposure were: occupation, age and a lesser amount of education. Factors associated with more leisure-time cold exposure were: being employed in outdoor occupations, being a pensioner, housewife, unemployed, practising physical exercise, and reporting at least average health. The experimental studies showed seasonal differences and aggravated thermal responses in urban residents in winter, but did not detect habituation responses typical of cold acclimatisation. In both seasons, acute moderate cold exposure resulted in positive, negative or mixed effects on cognition, reflected as changes in response times and accuracy. Simple cognitive tasks were impaired in cold, and in complex tasks both negative, positive and mixed effects were observed. It is suggested that cold exposure affects cognition through different mechanisms related to either distraction or arousal. Cold exposure increased postural sway by 70-90%, suggesting impaired postural control. Repeated exposures to moderate cold, reducing stress and discomfort and dampening physiological responses, did not markedly affect cognitive performance or postural control.

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Durrans, Anna. "Cardiac and systemic cold tolerance : natural adaptation and clinical application." Thesis, University of Oxford, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.401179.

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Shields, Brenda Czerwinski. "Adaptive response of Japanese quail (Coturnix coturnix japonica) to cold-acclimation physiological changes and localization of avian UCP in skeletal muscle /." Click here for download, 2008. http://proquest.umi.com/pqdweb?did=1564023381&sid=1&Fmt=2&clientId=3260&RQT=309&VName=PQD.

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Bos, Antoine. "Natural variation in cold adaptation and freezing tolerance in Arabidopsis thaliana." Doctoral thesis, Umeå : Department of Ecology and Environmental Science, Umeå University, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-1947.

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Frank, Scott 1971. "Phosphoenolpyruvate carboxylase and cold acclimation of alfalfa." Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=27318.

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Phosphoenolpyruvate carboxylase (PEPC) was examined during cold acclimation of seedlings of the freezing-tolerant cultivar (Medicago sativa ssp falcata cv Anik) and the relatively freezing-sensitive cultivar (Medicago sativa cv Trek) of alfalfa. With four days of cold acclimation, PEPC activity increased to 3.5-fold and 2-fold the control levels in Anik and Trek, respectively. This was associated with an increase in the level of a 110 kD PEPC protein and a decrease in the amount of a 120 kD PEPC polypeptide in both cultivars. The role of reversible phosphorylation in regulating PEPC activity was demonstrated by in vitro phosphorylation and dephosphorylation, which caused partial activation and deactivation of PEPC, respectively. In vivo phosphorylation experiments revealed that the 110 kD PEPC subunit is phosphorylated on serine residue(s) during cold acclimation in Anik but not in Trek. Increased PEPC activity could account for the 70% increase in the non-autotrophic or dark fixation of carbon observed in cold acclimated Anik seedlings. A possible role for dark carbon fixation in the cold-induced development of freezing tolerance is through the production of NADPH. Such a source of reducing power may be required for the repair of cold-induced damage and restoration of normal cellular functions.

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Magnoni, Leonardo J. "Antarctic Notothenioid Fishes Do Not Display Metabolic Cold Adaptation in Hepatic Gluconeogenesis." Fogler Library, University of Maine, 2002. http://www.library.umaine.edu/theses/pdf/MagnoniLJ2002.pdf.

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Ghobakhlou, Abdollah. "Genomics, Transcriptomics and Metabolomics of cold adaptation in arctic Mesorhizobium sp. N33." Thesis, Université Laval, 2012. http://www.theses.ulaval.ca/2012/29489/29489.pdf.

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Books on the topic "Cold adaptation"

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Wang, Lawrence C. H., ed. Animal Adaptation to Cold. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-74078-7.

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H, Wang Lawrence C., and Boulant J. A, eds. Animal adaptation to cold. Berlin: Springer-Verlag, 1989.

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Masayori, Inouye, and Yamanaka Kunitoshi, eds. Cold shock response and adaptation. Wymondham, Eng: Horizon Scientific, 2000.

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1955-, Pörtner H. O., Playle R. C. 1956-, Society for Experimental Biology (Great Britain), Canadian Society of Zoologists, and Canadian Society of Zoologists. Meeting, eds. Cold ocean physiology. Cambridge, U.K: Cambridge University Press, 1998.

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Bech, Claus, and Randi Eidsmo Reinertsen, eds. Physiology of Cold Adaptation in Birds. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4757-0031-2.

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NATO Advanced Research Workshop on Physiology of Cold Adaptation in Birds. Physiology of cold adaptation in birds. New York: Plenum Press, 1989.

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Kaciuba-Uscilko, Hanna. Acclimatization to cold in humans. Moffett Field, Calif: National Aeronautics and Space Administration, Ames Research Center, 1989.

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Kaciuba-Uscilko, Hanna. Acclimatization to cold in humans. Moffett Field, Calif: National Aeronautics and Space Administration, Ames Research Center, 1989.

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Agadzhani͡an, N. A. Urovenʹ zdorovʹi͡a i adaptat͡sii u naselenii͡a Kraĭnego Severa. Moskva: Vertikalʹ ANK, 2002.

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International Hibernation Symposium (12th 2004 Vancouver, British Columbia). Life in the cold: Evolution, mechanisms, adaptations, and application. Fairbanks, Alaska: Institute of Arctic Bioogy, University of Alaska Fairbanks, 2004.

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Book chapters on the topic "Cold adaptation"

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Jessen, Claus. "Adaptation to Cold." In Temperature Regulation in Humans and Other Mammals, 141–52. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-59461-8_17.

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Ciardiello, M. A., L. Camardella, and G. di Prisco. "Temperature adaptation in enzymes of antarctic fish." In Cold-Adapted Organisms, 297–304. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-662-06285-2_16.

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Perez, Michael V. "Dazzle, Gradually: A “Tru” Account of Adapting Capote’s In Cold Blood." In Queer/Adaptation, 225–39. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-05306-2_14.

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Werner, J. "Models of Cold and Warm Adaptation." In Thermoreception and Temperature Regulation, 224–34. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-75076-2_22.

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Singh, Vandana. "Microbial Genes Responsible for Cold Adaptation." In Survival Strategies in Cold-adapted Microorganisms, 153–71. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-2625-8_7.

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Midtgård, Uffe. "Circulatory Adaptations to Cold in Birds." In Physiology of Cold Adaptation in Birds, 211–22. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4757-0031-2_23.

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Ricklefs, Robert E. "Adaptations to Cold in Bird Chicks." In Physiology of Cold Adaptation in Birds, 329–38. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4757-0031-2_35.

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Sangorrín, Marcela P., Chistian Ariel Lopes, Silvana Vero, and Michael Wisniewski. "Cold-Adapted Yeasts as Biocontrol Agents: Biodiversity, Adaptation Strategies and Biocontrol Potential." In Cold-adapted Yeasts, 441–64. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-662-45759-7_20.

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Simon, Eckhart. "Nervous Control of Cold Defence in Birds." In Physiology of Cold Adaptation in Birds, 1–15. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4757-0031-2_1.

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Barré, Hervé, Claude Duchamp, Jean-Louis Rouanet, André Dittmar, and Georges Delhomme. "Muscular Nonshivering Thermogenesis in Cold-Acclimated Ducklings." In Physiology of Cold Adaptation in Birds, 49–57. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4757-0031-2_5.

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Conference papers on the topic "Cold adaptation"

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Ropars, Y., A. Guimond, and C. Poirier. "Evaluating the Impacts of Climate Change on Nunavik Marine Infrastructure and Adaptation Solutions." In Cold Regions Engineering 2012. Reston, VA: American Society of Civil Engineers, 2012. http://dx.doi.org/10.1061/9780784412473.074.

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Moshkov, I. E. "Adaptation of cold-resistant plants to hypothermia." In IX Congress of society physiologists of plants of Russia "Plant physiology is the basis for creating plants of the future. Kazan University Press, 2019. http://dx.doi.org/10.26907/978-5-00130-204-9-2019-295.

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Boucher, M., and A. Guimond. "Assessing the Vulnerability of Ministère des Transports du Québec Infrastructure in Nunavik in a Context of Thawing Permafrost and the Development of an Adaptation Strategy." In Cold Regions Engineering 2012. Reston, VA: American Society of Civil Engineers, 2012. http://dx.doi.org/10.1061/9780784412473.050.

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Meng, Yitong, Xiao Yan, Weiwen Liu, Huanhuan Wu, and James Cheng. "Wasserstein Collaborative Filtering for Item Cold-start Recommendation." In UMAP '20: 28th ACM Conference on User Modeling, Adaptation and Personalization. New York, NY, USA: ACM, 2020. http://dx.doi.org/10.1145/3340631.3394870.

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Tervonen, Jaakko, Rajdeep Kumar Nath, Kati Pettersson, Johanna Närväinen, and Jani Mäntyjärvi. "Cold-Start Model Adaptation: Evaluation of Short Baseline Calibration." In UbiComp/ISWC '23: The 2023 ACM International Joint Conference on Pervasive and Ubiquitous Computing. New York, NY, USA: ACM, 2023. http://dx.doi.org/10.1145/3594739.3610731.

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Elahi, Mehdi, Farshad Bakhshandegan Moghaddam, Reza Hosseini, Mohammad Hossein Rimaz, Nabil El Ioini, Marko Tkalcic, Christoph Trattner, and Tammam Tillo. "Recommending Videos in Cold Start With Automatic Visual Tags." In UMAP '21: 29th ACM Conference on User Modeling, Adaptation and Personalization. New York, NY, USA: ACM, 2021. http://dx.doi.org/10.1145/3450614.3461687.

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Felício, Crícia Z., Klérisson V. R. Paixão, Celia A. Z. Barcelos, and Philippe Preux. "A Multi-Armed Bandit Model Selection for Cold-Start User Recommendation." In UMAP '17: 25th Conference on User Modeling, Adaptation and Personalization. New York, NY, USA: ACM, 2017. http://dx.doi.org/10.1145/3079628.3079681.

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Ajorlou, Elham, and Majid Ghayoomi. "Seismic Resilience Framework for Arctic Infrastructure in Alaska: Integrating Climate Stressors for Enhanced Decision Making and Adaptation Strategies." In 20th International Conference on Cold Regions Engineering. Reston, VA: American Society of Civil Engineers, 2024. http://dx.doi.org/10.1061/9780784485460.017.

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Wei, Tianxin, Ziwei Wu, Ruirui Li, Ziniu Hu, Fuli Feng, Xiangnan He, Yizhou Sun, and Wei Wang. "Fast Adaptation for Cold-Start Collaborative Filtering with Meta-Learning." In 2020 IEEE International Conference on Data Mining (ICDM). IEEE, 2020. http://dx.doi.org/10.1109/icdm50108.2020.00075.

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Kalloori, Saikishore, and Francesco Ricci. "Improving Cold Start Recommendation by Mapping Feature-Based Preferences to Item Comparisons." In UMAP '17: 25th Conference on User Modeling, Adaptation and Personalization. New York, NY, USA: ACM, 2017. http://dx.doi.org/10.1145/3079628.3079696.

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Reports on the topic "Cold adaptation"

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Samach, Alon, Douglas Cook, and Jaime Kigel. Molecular mechanisms of plant reproductive adaptation to aridity gradients. United States Department of Agriculture, January 2008. http://dx.doi.org/10.32747/2008.7696513.bard.

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Annual plants have developed a range of different mechanisms to avoid flowering (exposure of reproductive organs to the environment) under adverse environmental conditions. Seasonal environmental events such as gradual changes in day length and temperature affect the timing of transition to flowering in many annual and perennial plants. Research in Arabidopsis and additional species suggest that some environmental signals converge on transcriptional regulation of common floral integrators such as FLOWERING LOCUS T (FT). Here we studied environmental induction of flowering in the model legume Medicago truncatula. Similarly to Arabidopsis, the transition to flowering in M. truncatula is hastened by long photoperiods and long periods of vernalization (4°C for 2-3 weeks). Ecotypes collected in Israel retain a vernalization response even though winter temperatures are way above 4°C. Here we show that this species is also highly responsive (flowers earlier) to mild ambient temperatures up to 19°C simulating winter conditions in its natural habitat. Physiological experiments allowed us to time the transition to flowering due to low temperatures, and to compare it to vernalization. We have made use of natural variation, and induced mutants to identify key genes involved in this process, and we provide here data suggesting that an FT gene in M.truncatula is transcriptionally regulated by different environmental cues. Flowering time was found to be correlated with MtFTA and MtFTB expression levels. Mutation in the MtFTA gene showed a late flowering phenotype, while over-expressing MtFTA in Arabidopsis complemented the ft- phenotype. We found that combination of 4°C and 12°C resulted in a synergistic increase in MtFTB expression, while combining 4°C and long photoperiods caused a synergistic increase in MtFTA expression. These results suggest that the two vernalization temperatures work through distinct mechanisms. The early flowering kalil mutant expressed higher levels of MtFTA and not MtFTB suggesting that the KALIL protein represses MtFTA specifically. The desert ecotype Sde Boker flowers earlier in response to short treatments of 8-12oc vernalization and expresses higher levels of MtFTA. This suggests a possible mechanism this desert ecotype developed to flower as fast as possible and finish its growth cycle before the dry period. MtFTA and FT expression are induced by common environmental cues in each species, and expression is repressed under short days. Replacing FT with the MtFTA gene (including regulatory elements) caused high MtFTA expression and early flowering under short days suggesting that the mechanism used to repress flowering under short days has diversified between the two species.The circadian regulated gene, GIGANTEA (GI) encodes a unique protein in Arabidopsis that is involved in flowering mechanism. In this research we characterized how the expression of the M.truncatula GI ortholog is regulated by light and temperature in comparison to its regulation in Arabidopsis. In Arabidopsis GI was found to be involved in temperature compensation to the clock. In addition, GI was found to be involved in mediating the effect of temperature on flowering time. We tested the influence of cold temperature on the MtGI gene in M.truncatula and found correlation between MtGI levels and extended periods of 12°C treatment. MtGI elevation that was found mostly after plants were removed from the cold influence preceded the induction of MtFT expression. This data suggests that MtGI might be involved in 12°C cold perception with respect to flowering in M.truncatula. GI seems to integrate diverse environmental inputs and translates them to the proper physiological and developmental outputs, acting through several different pathways. These research enabled to correlate between temperature and circadian clock in M.truncatula and achieved a better understanding of the flowering mechanism of this species.

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Ananev, Vladimir Nikolaevich. THE EFFECT OF FIVE-DAY COLD ADAPTATION ON THE TONE OF THE ARTERIES OF THE MUSCULOSKELETAL REGION AND THE SMALL INTESTINE IN WINTER SPORTS ATHLETES. DOI CODE, 2023. http://dx.doi.org/10.18411/doicode-2023.140.

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Abbo, Shahal, Hongbin Zhang, Clarice Coyne, Amir Sherman, Dan Shtienberg, and George J. Vandemark. Winter chickpea; towards a new winter pulse for the semiarid Pacific Northwest and wider adaptation in the Mediterranean basin. United States Department of Agriculture, January 2011. http://dx.doi.org/10.32747/2011.7597909.bard.

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Original objectives: [a] Screen an array of chickpea and wild annual Cicer germplasm for winter survival. [b] Genetic analysis of winter hardiness in domesticated x wild chickpea crosses. [c] Genetic analysis of vernalization response in domesticated x wild chickpea crosses. [d] Digital expression analysis of a core selection of breeding and germplasm lines of chickpea that differ in winter hardiness and vernalization. [e] Identification of the genes involved in the chickpea winter hardiness and vernalization and construction of gene network controlling these traits. [f] Assessing the phenotypic and genetic correlations between winter hardiness, vernalization response and Ascochyta blight response in chickpea. The complexity of the vernalization response and the inefficiency of our selection experiments (below) required quitting the work on ascochyta response in the framework of this project. Background to the subject: Since its introduction to the Palouse region of WA and Idaho, and the northern Great Plains, chickpea has been a spring rotation legume due to lack of winter hardiness. The short growing season of spring chickpea limits its grain yield and leaves relatively little stubble residue for combating soil erosion. In Israel, chilling temperatures limit pod setting in early springs and narrow the effective reproductive time window of the crop. Winter hardiness and vernalization response of chickpea alleles were lost due to a series of evolutionary bottlenecks; however, such alleles are prevalent in its wild progenitor’s genepool. Major conclusions, solutions, achievements: It appears that both vernalization response and winter hardiness are polygenic traits in the wild-domesticated chickpea genepool. The main conclusion from the fieldwork in Israel is that selection of domesticated winter hardy and vernalization responsive types should be conducted in late flowering and late maturity backgrounds to minimize interference by daylength and temperature response alleles (see our Plant Breeding paper on the subject). The main conclusion from the US winter-hardiness studies is that excellent lines have been identified for germplasm release and continued genetic study. Several of the lines have good seed size and growth habit that will be useful for introgressing winter-hardiness into current chickpea cultivars to develop releases for autumn sowing. We sequenced the transcriptomes and profiled the expression of genes in 87 samples. Differential expression analysis identified a total of 2,452 differentially expressed genes (DEGs) between vernalized plants and control plants, of which 287 were shared between two or more Cicer species studied. We cloned 498 genes controlling vernalization, named CVRN genes. Each of the CVRN genes contributes to flowering date advance (FDA) by 3.85% - 10.71%, but 413 (83%) other genes had negative effects on FDA, while only 83 (17%) had positive effects on FDA, when the plant is exposed to cold temperature. The cloned CVRN genes provide new toolkits and knowledge to develop chickpea cultivars that are suitable for autumn-sowing. Scientific & agricultural implications: Unlike the winter cereals (barley, wheat) or pea, in which a single allelic change may induce a switch from winter to spring habit, we were unable to find any evidence for such major gene action in chickpea. In agricultural terms this means that an alternative strategy must be employed in order to isolate late flowering – ascochyta resistant (winter types) domesticated forms to enable autumn sowing of chickpea in the US Great Plains. An environment was identified in U.S. (eastern Washington) where autumn-sown chickpea production is possible using the levels of winter-hardiness discovered once backcrossed into advanced cultivated material with acceptable agronomic traits. The cloned CVRN genes and identified gene networks significantly advance our understanding of molecular mechanisms underlying plant vernalization in general, and chickpea in particular, and provide a new toolkit for switching chickpea from a spring-sowing to autumn-sowing crop.

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Wozniak-Brown, Joanna. Gaps and Opportunities for Local Resilience Planning in Connecticut. UConn Connecticut Institute for Resilience and Climate Adaptation, September 2022. http://dx.doi.org/10.56576/wxnj9369.

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There are numerous efforts underway at the local, regional, and state level across the state of Connecticut to address the impacts of climate change. Scientific assessments, community engagement, and adaptation project designs are just a few of the key activities. Additionally, climate-related goals are being integrated into some local planning processes and some municipalities have undertaken resilience plans. Despite these projects, there are glaring gaps in the existing authority or obligations of local governments that potentially hinder climate planning at the local level. This type of systems analysis highlights specific planning obligations that are often related to climate planning but have not yet incorporated the impacts and adaptations to climate change fully. However, optimizing or expanding existing local authority or planning obligations could significantly advance adaptation across the state. Firstly, it would make climate planning an ongoing effort as opposed to episodic. Secondly, it could address gaps that have the potential to hinder projects currently underway. Thirdly, it could advance efforts to address historically excluded and harmed communities across the state by ensuring they are included in climate change planning and that adaptation projects or resilience programs and policies redress those inequities. This white paper outlines the gaps in resilience planning authority and planning mechanisms then provides potential opportunities to address the gaps.

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Morse, P. D., R. J. H. Parker, W. E. Sladen, S L Smith, and H. B. O'Neill. Remote permafrost terrain mapping, Grays Bay-Yellowknife corridor, Northwest Territories and Nunavut. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/330206.

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The new Grays Bay - Yellowknife corridor will provide transportation, energy, and telecommunications to northcentral Canada, and connect existing highway infrastructure to a deep-sea port on the Arctic Ocean. This infrastructure will improve access for exploration and development, and reduce operating costs in this mineral-rich region of the Northwest Territories and Nunavut, one of the biggest impediments to development in this region. Relatively little information on permafrost and ground ice conditions is available for most of the corridor. To fill this information gap, the Geological Survey of Canada's GEM-GeoNorth program is compiling permafrost and surficial geology information, mapping periglacial terrain features, and modelling ground ice conditions along the corridor. This poster presents the periglacial feature mapping component. Periglacial features are landforms associated with cold environments and typically contain permafrost. Permafrost, and its related ground ice, affect terrain sensitivity to climate change and surface disturbance. With development of this periglacial terrain and accelerated climate warming in the north, communities, planners, and regulators require this information to make informed decisions on how and where to build and manage environmentally sustainable and climate change-resilient infrastructure, and determine best adaptation strategies.

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Di Campli San Vito, Patrizia, Stephen Brewster, Satvik Venkatesh, Eduardo Miranda, Alexis Kirke, David Moffat, Sube Banerjee, Alex Street, Jorg Fachner, and Helen Odell-Miller. RadioMe: Supporting Individuals with Dementia in Their Own Home... and Beyond? CHI '22 Workshop - Designing Ecosystems for Complex Health Needs, 2022. http://dx.doi.org/10.36399/gla.pubs.267520.

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Dementia is an illness with complex health needs, varying between individuals and increasing in severity over time. Approaches to use technology to aid people with dementia are often designed for a specific environment and/or purpose, such as the RadioMe system, a system designed to detect agitation in people with mild dementia living in their own home and calming them with music when agitation is detected. Both the monitoring and intervention components could potentially be beneficially used outside of the own home to aid people with dementia and carers in everyday life. But the adaptation could put additional burdens on the carer, as many decisions and the handling of the data and software could rely on their input. In this paper we discuss thoughts on the potential role of the carer for adaptations of specified system’s expansion to a larger ecosystem on the example of RadioMe.

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Wyndham, Amber, Emile Elias, Joel R. Brown, Michael A. Wilson, and Albert Rango. Drought Vulnerability Assessment to Inform Grazing Practices on Rangelands in Southeast Arizona and Southwest New Mexico’s Major Land Resource Area 41. United States. Department of Agriculture. Southwest Climate Hub, August 2018. http://dx.doi.org/10.32747/2018.6818230.ch.

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Increased climate variability, including more frequent and intense drought, is projected for the southwestern region of the United States. Increased temperatures and reduced precipitation lower soil water availability, resulting in decreased plant productivity and altered species composition, which may affect forage quality and quantity. Reduced forage quality and increased heat stress attributable to warmer temperatures could lead to decreased livestock performance in this system, which is extensively used for livestock grazing. Mitigating the effects of increasing drought is critical to social and ecological stability in the region. Reduced stocking rates and/or a change in livestock breeds and/or grazing practices are general recommendations that could be implemented to cope with increased climatic stress. Ecological Sites (ESs) and their associated state-and-transition models (STMs) are tools to help land managers implement and evaluate responses to disturbances. The projected change in climate will vary depending upon geographic location. Vulnerability assessments and adaptation strategies are necessary at the local level to inform local management decisions and help to ameliorate the effects of climate change on rangelands. The USDA Southwest Climate Hub and the Natural Resources Conservation Service (NRCS) worked together to produce this drought vulnerability assessment at the Major Land Resource Area (MLRA) level: it is based on ESs/STMs that will help landowners and government agencies to identify and develop adaptation options for drought on rangelands. The assessment illustrates how site-specific information can be used to help minimize the effects of drought on rangelands and to support informed decision-making for selecting management adaptations within MLRA 41.

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Wyndham, Amber, Emile Elias, Joel R. Brown, Michael A. Wilson, and Albert Rango. Drought Vulnerability Assessment to Inform Grazing Practices on Rangelands of Southeastern Colorado’s Major Land Resource Area 69. United States. Department of Agriculture. Southwest Climate Hub, January 2018. http://dx.doi.org/10.32747/2018.6876399.ch.

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Increased climate variability, including more frequent and intense drought, is projected for the southwestern region of the United States. Increased temperatures and reduced precipitation lower soil water availability resulting in decreased plant productivity and altering species composition which may affect forage quality and quantity. Reduced forage quality and increased heat stress attributable to warmer temperatures could lead to decreased livestock performance in this system, which is extensively used for livestock grazing. Mitigating the effects of increasing drought is critical to social and ecological stability in the region. Reduced stocking rates, change in livestock breeds and/or grazing practices are general recommendations that could be implemented to cope with increased climatic stress. Ecological Sites (ESs) and their associated state and transition models (STMs) are tools to help land managers implement and evaluate responses to disturbances. The projected change in climate will vary depending on geographic location. Vulnerability assessments and adaptation strategies are needed at the local level to inform local management decisions and help ameliorate the effects of climate change on rangelands. The USDA Southwest Climate Hub and Natural Resources Conservation Service (NRCS) worked together to produce this drought vulnerability assessment at the Major Land Resource Area (MLRA) level based on ESs/STMs that will help landowners and government agencies identify and develop adaptation options for drought on rangelands. The assessment illustrates how site-specific information can be used to help minimize the effects of drought on rangelands and support informed decision-making for selecting management adaptations within MLRA 69.

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Wyndham, Amber, Emile Elias, Joel Brown, Michael Wilson, and Albert Rango Rango. Drought Vulnerability Assessment to Inform Grazing Practices on Rangelands in Southeast Arizona and Southwest New Mexico’s Major Land Resource Area 41. USDA Southwest Climate Hub, August 2018. http://dx.doi.org/10.32747/2018.6947060.ch.

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Abstract:

Increased climate variability, including more frequent and intense drought, is projected for the southwestern region of the United States. Increased temperatures and reduced precipitation lower soil water availability, resulting in decreased plant productivity and altered species composition, which may affect forage quality and quantity. Reduced forage quality and increased heat stress attributable to warmer temperatures could lead to decreased livestock performance in this system, which is extensively used for livestock grazing. Mitigating the effects of increasing drought is critical to social and ecological stability in the region. Reduced stocking rates and/or a change in livestock breeds and/or grazing practices are general recommendations that could be implemented to cope with increased climatic stress. Ecological Sites (ESs) and their associated state-and-transition models (STMs) are tools to help land managers implement and evaluate responses to disturbances. The projected change in climate will vary depending upon geographic location. Vulnerability assessments and adaptation strategies are necessary at the local level to inform local management decisions and help to ameliorate the effects of climate change on rangelands. The USDA Southwest Climate Hub and the Natural Resources Conservation Service (NRCS) worked together to produce this drought vulnerability assessment at the Major Land Resource Area (MLRA) level: it is based on ESs/STMs that will help landowners and government agencies to identify and develop adaptation options for drought on rangelands. The assessment illustrates how site-specific information can be used to help minimize the effects of drought on rangelands and to support informed decision-making for selecting management adaptations within MLRA 41.

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Wyndham, Amber, Emile Elias, Joel Brown, Michael Wilson, and Albert Rango. Drought Vulnerability Assessment to Inform Grazing Practices on Rangelands of Southeastern Colorado’s Major Land Resource Area 69. USDA Southwest Climate Hub, July 2018. http://dx.doi.org/10.32747/2018.6947062.ch.

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Abstract:

Increased climate variability, including more frequent and intense drought, is projected for the southwestern region of the United States. Increased temperatures and reduced precipitation lower soil water availability, resulting in decreased plant productivity and altering species composition, which may affect forage quality and quantity. Reduced forage quality and increased heat stress attributable to warmer temperatures could lead to decreased livestock performance in this system, which is extensively used for livestock grazing. Mitigating the effects of increasing drought is critical to social and ecological stability in the region. Reduced stocking rates, change in livestock breeds and/or grazing practices are general recommendations that could be implemented to cope with increased climatic stress. Ecological Sites and their associated state–and-transition models (STMs) are tools to help land managers implement and evaluate responses to disturbances. The projected change in climate will vary depending upon geographic location. Vulnerability assessments and adaptation strategies are needed at the local level to inform local management decisions and help ameliorate the effects of climate change on rangelands. The United States Department of Agriculture (USDA) Southwest Climate Hub and Natural Resources Conservation Service (NRCS) worked together to produce this drought vulnerability assessment at the Major Land Resource Area (MLRA) level, based on ecological sites and state-and-transition models that will help landowners and government agencies to identify and develop adaptation options for drought on rangelands. The assessment illustrates how site-specific information can be used to help minimize the effects of drought on rangelands and support informed decision-making for the selection of management adaptations within MLRA 69.

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