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Vinterutfodring av renar - effekter på renarnas beteende, renskötseln och miljön 驯鹿冬季饲养--对驯鹿行为、驯鹿饲养和环境的影响
Pub Date : 2024-05-03 DOI: 10.7557/2.44.2.7559
Anna Skarin, Minna Turunen, S. Eilertsen, Heidi Rautiainen, Tim Horstkotte, Ole Nils Aslak Baal, Leif-Anders Blind, Ove Emanuelsson, Ove Hallergren, Anna-Marja Kaddik, Lars-Tomas Labba, Heléne Larsson, M. Larsson, Tom Lifjell, Johannes Lundgren, Karoliina Majuri, Janne Mustonen, Helge Oskal, Majken Paulsen, Laura Post, Sirpa Rasmus, Camilla Risvoll, Hans Tømmervik, Nils-Johan Utsi, Elisabeth Nejne Vannar, Birgitta Åhman
This report is based on the results from a Nordic network project funded by The Nordic Joint Committee for Agricultural and Food Research (NKJ) during the years 2021-2022. This network was created to encourage further cross-border discussions about the prospects of winter feeding of reindeer. In reindeer husbandry winter feeding has increased during the last decades due to competing land use activities and climate change. Herders in Norway, Sweden and Finland have previously raised concerns about the benefits and risks associated to the increasing need of winter feeding of reindeer in all three countries. The report, published in Swedish, Norwegian, Finnish and North Sámi, and covers the main findings from a series of preparatory workshops within each country and a main workshop in Arvidsjaur 8-9 June 2022. During the network activities, reindeer herders, researchers and managers discussed the effects of feeding on reindeer behaviour, herding practices and the environment. The two main topics discussed at the preparatory workshops were 1) the short- and long-term effects of winter feeding on reindeer behaviour, and 2) local to large scale effects of feeding on the environment and the natural pastures. During the main workshop, discussions were held about reasons for feeding of reindeer, the preconditions of feeding in the three countries, how winter feeding is usually performed, and best practices in relation to reindeer behaviour and the environment. The work aimed at promoting knowledge exchange on winter feeding of reindeer among all participants to help find solutions and mitigation actions to avoid changes in reindeer behaviour and negative effects of feeding on reindeer, reindeer herding and the environment. The report is aimed at herders, managers, as well as other land users, authorities and policymakers to give information on what was discussed and a summary of the challenges related to winter feeding and effects on reindeer behaviour and reindeer husbandry, and the environment. Rangifer Report No 18 is the Swedish version of the report. Reports in Norwegian, Finnish and North Sámi are published as following numbers of Rangifer Report.
本报告基于北欧农业和食品研究联合委员会(NKJ)在 2021-2022 年期间资助的一个北欧网络项目的成果。建立该网络的目的是鼓励就驯鹿冬季饲养的前景开展进一步的跨境讨论。在驯鹿饲养方面,过去几十年来,由于相互竞争的土地使用活动和气候变化, 冬季饲养驯鹿的数量有所增加。挪威、瑞典和芬兰的牧民曾对这三个国家日益增长的驯鹿冬季饲养需求所带来的利益和风险表示担忧。该报告以瑞典文、挪威文、芬兰文和北萨米文出版,涵盖了各国一系列筹备研讨会和 2022 年 6 月 8-9 日在阿尔维兹约尔举行的主要研讨会的主要结论。在网络活动中,驯鹿牧民、研究人员和管理人员讨论了饲养对驯鹿行为、放牧 方式和环境的影响。筹备研讨会讨论的两个主要议题是:1)冬季饲养对驯鹿行为的短期和长期影响;2)饲养对环境和天然牧场从局部到整体的影响。在主要研讨会上,讨论了饲养驯鹿的原因、三个国家饲养驯鹿的先决条件、 冬季饲养驯鹿的通常方式以及与驯鹿行为和环境有关的最佳做法。这项工作旨在促进所有参与者交流有关驯鹿冬季饲养的知识,以帮助找到解决 办法和缓解行动,避免驯鹿行为发生变化,避免饲养对驯鹿、驯鹿放牧和环境造 成负面影响。本报告面向牧民、管理者以及其他土地使用者、当局和决策者,介绍讨论内容,总结与冬季饲养有关的挑战以及对驯鹿行为、驯鹿放牧和环境的影响。小袋驯鹿第 18 号报告》是该报告的瑞典语版本。挪威语、芬兰语和北萨米语的报告将作为《小母鹿报告》的后续版本出版。
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引用次数: 0
Forutsetninger og utfordringer for reindrifta i Norge, Sverige og Finland 挪威、瑞典和芬兰饲养驯鹿的条件和挑战
Pub Date : 2024-02-13 DOI: 10.7557/2.44.1.7409
Øystein Holand, U. Hannu, Birgitta Åhman
This report is based on the book "Reindeer Husbandry and Global Environmental Change - pastoralism in Fennoscandia". The book, which was published in 2022, brings together previous and new research compiled within a Nordic collaboration project, ReiGN (Reindeer husbandry in a Globalizing North), funded by NordForsk during the years 2016 – 2021. Grants from NordForsk also funded this report.The report, published in Swedish, Norwegian, Finnish and North Sámi, summarizes some of the main results from the book. In nine chapters it describes how reindeer herding is affected by climate change, the continuous loss of reindeer grazing land and other external factors that together represent large challenges for reindeer, reindeer herders and the reindeer herding community as a whole. The report contains perspectives from many different research areas. Each chapter in the report has one or more references and links to chapters in the above mentioned book, which is freely available online (https://doi.org/10.4324/9781003118565).The chapters in the report cover a range of different topics, like present and historical reindeer herding (Chapter 1), the genetic background of the semi-domesticated reindeer (Chapter 2), how reindeer ranges are used and how they are affected by climate change and expanding industrial development (Chapter 3), possibilities for adaptation to a warmer climate (Chapter 4), impact of large predators (Chapter 5), external and internal governance (Chapter 6), reindeer herding as subsistence (Chapter 7), the role of supplementary feeding (Chapter 8), and reindeer health and diseases in a climate perspective (Chapter 9). The report ends with some reflections over the present situation and future perspectives for reindeer herding.The report is aimed at herders and managers, as well as other land users, authorities and policymakers who deal with natural resource management, climate and environmental issues or other matters related to reindeer herding and the use of land and water within the reindeer herding area.Rangifer Report No 17 is the Norwegian version of the report. A Swedish version has already been published as Rangifer Report No 16. Reports in Finnish and North Sámi are published as following numbers of Rangifer Report.
本报告以《驯鹿饲养与全球环境变化--芬诺斯坎迪亚的畜牧业》一书为基础。该书于2022年出版,汇集了在北欧合作项目ReiGN(全球化北方的驯鹿饲养业)范围内汇编的以往研究和新研究成果。该报告以瑞典语、挪威语、芬兰语和北萨米语出版,总结了本书的一些主要成果。报告共分九章,阐述了驯鹿放牧如何受到气候变化、驯鹿牧场不断减少以及其他外部因素的影响,这些因素共同构成了驯鹿、驯鹿牧民和整个驯鹿放牧社区面临的巨大挑战。报告包含许多不同研究领域的观点。报告中的每一章都有一个或多个参考文献,并与上述书籍中的章节链接,该书可在网上免费查阅 (https://doi.org/10.4324/9781003118565)。报告中的各章涵盖了一系列不同的主题,如当前和历史上的驯鹿放牧(第 1 章)、半驯化驯鹿的遗传背景(第 2 章)、驯鹿牧场的使用方式以及气候变化和不断扩大的工业发展对其的影响(第 3 章)、适应气候变暖的可能性(第 4 章)、大型食肉动物的影响(第 5 章)、外部和 内部治理(第 6 章)、驯鹿放牧作为生计(第 7 章)、补充饲养的作用(第 8 章)、从 气候角度看驯鹿健康和疾病(第 9 章)。报告最后对驯鹿放牧的现状和未来前景进行了思考。报告的读者对象是牧民和管理人员,以及其他土地使用者、主管机构和决策者,他们需要处理自然资源管理、气候和环境问题,或与驯鹿放牧及驯鹿放牧区土地和水利用有关的其他问题。第 17 号小母鹿报告》是该报告的挪威语版本。瑞典语版本已作为《第 16 号小母鹿报告》出版。芬兰语和北萨米语的报告作为《小母牛报告》的下列编号出版。
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引用次数: 0
Forutsetninger og utfordringer for reindrifta i Norge, Sverige og Finland 挪威、瑞典和芬兰饲养驯鹿的条件和挑战
Pub Date : 2024-02-13 DOI: 10.7557/2.44.1.7409
Øystein Holand, U. Hannu, Birgitta Åhman
This report is based on the book "Reindeer Husbandry and Global Environmental Change - pastoralism in Fennoscandia". The book, which was published in 2022, brings together previous and new research compiled within a Nordic collaboration project, ReiGN (Reindeer husbandry in a Globalizing North), funded by NordForsk during the years 2016 – 2021. Grants from NordForsk also funded this report.The report, published in Swedish, Norwegian, Finnish and North Sámi, summarizes some of the main results from the book. In nine chapters it describes how reindeer herding is affected by climate change, the continuous loss of reindeer grazing land and other external factors that together represent large challenges for reindeer, reindeer herders and the reindeer herding community as a whole. The report contains perspectives from many different research areas. Each chapter in the report has one or more references and links to chapters in the above mentioned book, which is freely available online (https://doi.org/10.4324/9781003118565).The chapters in the report cover a range of different topics, like present and historical reindeer herding (Chapter 1), the genetic background of the semi-domesticated reindeer (Chapter 2), how reindeer ranges are used and how they are affected by climate change and expanding industrial development (Chapter 3), possibilities for adaptation to a warmer climate (Chapter 4), impact of large predators (Chapter 5), external and internal governance (Chapter 6), reindeer herding as subsistence (Chapter 7), the role of supplementary feeding (Chapter 8), and reindeer health and diseases in a climate perspective (Chapter 9). The report ends with some reflections over the present situation and future perspectives for reindeer herding.The report is aimed at herders and managers, as well as other land users, authorities and policymakers who deal with natural resource management, climate and environmental issues or other matters related to reindeer herding and the use of land and water within the reindeer herding area.Rangifer Report No 17 is the Norwegian version of the report. A Swedish version has already been published as Rangifer Report No 16. Reports in Finnish and North Sámi are published as following numbers of Rangifer Report.
本报告以《驯鹿饲养与全球环境变化--芬诺斯坎迪亚的畜牧业》一书为基础。该书于2022年出版,汇集了在北欧合作项目ReiGN(全球化北方的驯鹿饲养业)范围内汇编的以往研究和新研究成果。该报告以瑞典语、挪威语、芬兰语和北萨米语出版,总结了本书的一些主要成果。报告共分九章,阐述了驯鹿放牧如何受到气候变化、驯鹿牧场不断减少以及其他外部因素的影响,这些因素共同构成了驯鹿、驯鹿牧民和整个驯鹿放牧社区面临的巨大挑战。报告包含许多不同研究领域的观点。报告中的每一章都有一个或多个参考文献,并与上述书籍中的章节链接,该书可在网上免费查阅 (https://doi.org/10.4324/9781003118565)。报告中的各章涵盖了一系列不同的主题,如当前和历史上的驯鹿放牧(第 1 章)、半驯化驯鹿的遗传背景(第 2 章)、驯鹿牧场的使用方式以及气候变化和不断扩大的工业发展对其的影响(第 3 章)、适应气候变暖的可能性(第 4 章)、大型食肉动物的影响(第 5 章)、外部和 内部治理(第 6 章)、驯鹿放牧作为生计(第 7 章)、补充饲养的作用(第 8 章)、从 气候角度看驯鹿健康和疾病(第 9 章)。报告最后对驯鹿放牧的现状和未来前景进行了思考。报告的读者对象是牧民和管理人员,以及其他土地使用者、主管机构和决策者,他们需要处理自然资源管理、气候和环境问题,或与驯鹿放牧及驯鹿放牧区土地和水利用有关的其他问题。第 17 号小母鹿报告》是该报告的挪威语版本。瑞典语版本已作为《第 16 号小母鹿报告》出版。芬兰语和北萨米语的报告作为《小母牛报告》的下列编号出版。
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引用次数: 0
Förutsättningar och utmaningar för renskötseln i Norge, Sverige och Finland 挪威、瑞典和芬兰饲养驯鹿的条件和挑战
Pub Date : 2023-12-09 DOI: 10.7557/2.43.3.7348
Birgitta Åhman, U. Hannu, Øystein Holand
This report is based on the book "Reindeer Husbandry and Global Environmental Change - pastoralism in Fennoscandia". The book, which was published in 2022, brings together previous and new research compiled within a Nordic collaboration project, ReiGN (Reindeer husbandry in a Globalizing North), funded by NordForsk during the years 2016 – 2021. Grants from NordForsk also funded this report.The report, published in Swedish, Norwegian, Finnish and North Sámi, summarizes some of the main results from the book. In nine chapters it describes how reindeer herding is affected by climate change, the continuous loss of reindeer grazing land and other external factors that together represent large challenges for reindeer, reindeer herders and the reindeer herding community as a whole. The report contains perspectives from many different research areas. Each chapter in the report has one or more references and links to chapters in the above mentioned book, which is freely available online (https://doi.org/10.4324/9781003118565).The chapters in the report cover a range of different topics, like present and historical reindeer herding (Chapter 1), the genetic background of the semi-domesticated reindeer (Chapter 2), how reindeer ranges are used and how they are affected by climate change and expanding industrial development (Chapter 3), possibilities for adaptation to a warmer climate (Chapter 4), impact of large predators (Chapter 5), external and internal governance (Chapter 6), reindeer herding as subsistence (Chapter 7), the role of supplementary feeding (Chapter 8), and reindeer health and diseases in a climate perspective (Chapter 9). The report ends with some reflections over the present situation and future perspectives for reindeer herding.The report is aimed at herders and managers, as well as other land users, authorities and policymakers who deal with natural resource management, climate and environmental issues or other matters related to reindeer herding and the use of land and water within the reindeer herding area.Rangifer Report No 16 is the Swedish version of the report. Reports in Norwegian, Finnish and North Sámi are published as following numbers of Rangifer Report. 
本报告基于《驯鹿饲养与全球环境变化——芬诺斯坎迪亚的畜牧业》一书。这本书于2022年出版,汇集了北欧合作项目ReiGN(全球化北方驯鹿养殖)中以前和新的研究成果,该项目由NordForsk在2016年至2021年期间资助。NordForsk的资助也资助了这份报告。该报告以瑞典语、挪威语、芬兰语和北欧语Sámi发表,总结了本书的一些主要结果。在九个章节中,它描述了驯鹿放牧如何受到气候变化、驯鹿放牧地的持续减少和其他外部因素的影响,这些因素共同构成了驯鹿、驯鹿牧民和整个驯鹿放牧社区面临的巨大挑战。这份报告包含了许多不同研究领域的观点。报告中的每一章都有一个或多个参考文献和链接,链接到上面提到的书中的章节,这些章节可以在网上免费获得(https://doi.org/10.4324/9781003118565).The)报告中的章节涵盖了一系列不同的主题,比如现在和历史上的驯鹿放牧(第1章),半驯化驯鹿的遗传背景(第2章),如何利用驯鹿的范围以及它们如何受到气候变化和不断扩大的工业发展的影响(第3章),适应变暖气候的可能性(第4章)、大型捕食者的影响(第5章)、外部和内部治理(第6章)、驯鹿放牧作为生计(第7章)、补充喂养的作用(第8章)以及气候视角下驯鹿的健康和疾病(第9章)。报告最后对驯鹿放牧的现状和未来前景进行了一些反思。该报告的对象是牧民和管理者,以及处理自然资源管理、气候和环境问题或与驯鹿放牧和驯鹿放牧区内土地和水的利用有关的其他事项的其他土地使用者、当局和政策制定者。《第16号Rangifer报告》是该报告的瑞典语版本。挪威语、芬兰语和北部Sámi的报告按以下数字发布。
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引用次数: 0
Reindeer retrieved from melting snow patches reveal information on prehistoric landscape use in Swedish Sápmi 从融化的雪堆中找到的驯鹿揭示了瑞典史前景观利用的信息Sápmi
Pub Date : 2023-11-11 DOI: 10.7557/2.43.2.6503
Markus Fjellström, Anna-Kaisa Salmi, Kjell-Åke Aronsson, Kerstin Lidén
In this study we discuss the remains of reindeer skeletal elements found at two different snow patches at Varánjunnje and Gárránistjåhkkå situated in the National Park of Stuor Muorkke in northern Sweden. Unfortunately, glaciers and snow patches are melting; however, this offers a unique opportunity to study the use of mountainous landscape in the past. Here we compare modern, historic and archaeological reindeer to Forest and Mountain Sámi reindeer herding districts. By using radiocarbon dating and osteological and stable isotope analysis (δ13C, δ15N and δ34S) we aim to study reindeer mobility and land use in the past. The results from the morphometric data, stable isotope analysis and radiocarbon dating from prehistoric and historic reindeer (n=40) show that there is very little variation over time in the diet of the reindeer retrieved from the snow patches. We also found that these reindeer must have grazed in different geographic areas. There was no correlation between age, gender, pathological changes and diet, and the castrated reindeer did not differ from other reindeer.
在这项研究中,我们讨论了在位于瑞典北部Stuor Muorkke国家公园的Varánjunnje和Gárránistjåhkkå两个不同的雪地上发现的驯鹿骨骼元素的遗骸。不幸的是,冰川和积雪正在融化;然而,这为研究过去山区景观的利用提供了一个独特的机会。在这里,我们将现代,历史和考古驯鹿与森林和山地Sámi驯鹿放牧区进行比较。通过放射性碳定年、骨学和稳定同位素(δ13C、δ15N和δ34S)分析,研究了过去驯鹿的迁移和土地利用。来自史前和历史驯鹿(n=40)的形态计量学数据、稳定同位素分析和放射性碳定年的结果表明,从雪原中提取的驯鹿的饮食随时间变化很小。我们还发现,这些驯鹿一定在不同的地理区域吃过草。年龄、性别、病理变化与饮食无相关性,去势驯鹿与其他驯鹿无差异。
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引用次数: 0
Eventyret Norsk Moskus A/S 挪威Moskus A/S活动
Pub Date : 2023-05-10 DOI: 10.7557/2.43.1.7081
Arnoldus Schytte Blix
Norsk Moskus A/S was, for good or worse, Alfred Henningsen’s own private eterprise. It was by many, probably also by Henningsen himself, judged as a failure. That is hardly the full story. The project was inspired from USA, where a similar project was already under way with the purpose to domesticate the muskox to improve the economic and social conditions of native arctic people by using the wool to produce garment for sale. In addition, Henningsen wanted to secure the economy by tourism based on public interest in the animals. He also approached the new university in Tromsø for cooperation from the very beginning. The operation was established in Bardu in northern Norway and had several shortcomings already from the beginning in 1969. It had no financial base whatsoever, as Henningsen assumed that his connections as member of Parliament would soon provide the cash. That did not happen. The information from USA was (quite erroneously) that domestication of muskox was very easy, and therefore, and because of bad economy, no relevant husbandry expertice was involved. Instead, the project was managed by amateurs and enthusiastic volunters. The expected cooperation with research institutions did not materialise either. In spite of this, the project took off rather well during the first few years. Calf production was good, wool and garment production was well under way and tourists brought in the cash. Even so, because of the need for heavy infrastructure investments they were always economically behind, and very soon had to sell animals to avoid bankrupsy. 1975 became a turningpoint. At that time they were hit by a massive outbreak of Contagious echtyma which killed all the calves and half of the adult bulls, and a local resident was killed by a bull which had escaped from the farm. The latter turned a hitherto positive attitude among the locals to become rather hostile, and necessitated a move of the whole operation to Årøya in Kvænangen where the locals were still positive in 1976. The relocation inflicted new heavy infrastructure investments which was financed by the sale of several of the remaining animals, but the relocation was, at first, nevertheless, a success, and everything looked bright for the 1977 season. However, just before the opening the Ministry of Agriculture decided, with reference to new legislation, to ban public showing of the animals. The decision was appealed, but was in the end turned down in a decision by, no less than, the King in Cabinet. After much politicking, however, a temporary permit was granted in 1979, but at that time the project was economically at rock bottom, and a new bridge which led the tourist trafic away from the farm had materialized. After fighting for 20 years Henningsen then gave up and donated the 10 remaining animals to the Department of Arctic Biology at the University of Tromsø. The University consequently set up a farm at Rya island outside Tromsø, where they trived and for 40 years were used fo
无论好坏,Norsk Moskus A/S都是Alfred Henningsen自己的私人餐厅。许多人,可能还有亨宁森本人,都认为这是一次失败。这还不是全部。该项目的灵感来自美国,美国已经在进行一个类似的项目,目的是驯化麝香牛,通过使用羊毛生产服装来改善北极原住民的经济和社会条件。此外,Henningsen希望基于公众对动物的兴趣,通过旅游业来保障经济。他还从一开始就向特罗姆瑟的新大学寻求合作。该行动成立于挪威北部的巴杜,从1969年开始就有几个缺点。它没有任何财务基础,因为Henningsen认为他作为国会议员的关系很快就会提供现金。这并没有发生。来自美国的信息是(相当错误的),麝香牛的驯化非常容易,因此,由于经济状况不佳,没有相关的畜牧业专家参与。相反,这个项目是由业余爱好者和热心的志愿者管理的。与研究机构的预期合作也没有实现。尽管如此,该项目在最初几年还是取得了相当好的进展。小牛生产良好,羊毛和服装生产进展顺利,游客带来了现金。即便如此,由于需要大量的基础设施投资,他们在经济上总是落后,很快就不得不出售动物以避免银行破产。1975年成为转折点。当时,他们遭遇了大规模的传染病爆发,导致所有小牛和一半成年公牛死亡,一名当地居民被一头从农场逃跑的公牛杀死。后者使当地人迄今为止的积极态度变得相当敌对,并需要将整个行动转移到Kvænangen的Årøya,1976年当地人仍然持积极态度。搬迁带来了新的大量基础设施投资,资金来自出售剩下的几只动物,但搬迁一开始还是成功的,1977年的季节一切看起来都很光明。然而,就在开幕前,农业部根据新的立法,决定禁止公开展示这些动物。该决定被上诉,但最终被内阁中的国王驳回。然而,经过多次政治活动,1979年获得了临时许可,但当时该项目在经济上处于谷底,一座将游客从农场引离的新桥已经建成。在战斗了20年后,Henningsen放弃了,并将剩下的10只动物捐赠给了特罗姆瑟大学北极生物学系。因此,该大学在Tromsø外的Rya岛上建立了一个农场,在那里他们耕种了40年,并被用于重新研究,从而充分满足了该项目最重要的原始内涵之一。
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引用次数: 0
Translocation of southern mountain caribou using a soft-release technique 利用软放生技术对南部山地驯鹿进行易位
Pub Date : 2022-07-21 DOI: 10.7557/2.42.1.5930
A. Mathieu, Lucas M. Vander Vennen, Aaron Ried, C. Legebokow, H. Schwantje
Southern mountain caribou (Rangifer tarandus caribou, SMC) in British Columbia, Canada, are experiencing a precipitous population decline and range recession. In 2019, the two southernmost herds, the South Selkirks and the Purcells-South herds, were functionally extirpated and facing imminent extinction. To rescue the remaining animals, a translocation into the Columbia North herd range was performed using a soft-release method. The translocated animals were released alongside a captive-reared yearling and a resident adult female from the Columbia North SMC herd. A comparison of habitat selection behaviours at the 2nd order of selection demonstrated that the released animals responded to habitat and elevational conditions similarly to resident caribou. The translocation and soft release of Purcells-South and South Selkirks individuals demonstrates that soft release of wild translocated and captive-reared SMC can be successful and should be considered where and when feasible.
加拿大不列颠哥伦比亚省的南部山地驯鹿(Rangifer tarandus caribou, SMC)正经历着急剧的数量下降和范围萎缩。2019年,最南端的两个鹿群,南塞尔柯克鹿群和珀塞尔-南鹿群,在功能上已经灭绝,濒临灭绝。为了拯救剩余的动物,使用软释放方法将它们转移到哥伦比亚北部的牧群范围。这些被转移的动物与一只圈养的一岁幼崽和一只来自哥伦比亚北部SMC牧群的成年雌性一起被释放。对二级生境选择行为的比较表明,放归动物对生境和海拔条件的反应与居住驯鹿相似。Purcells-South和South Selkirks个体的迁移和软释放表明,野生迁移和人工饲养的SMC的软释放是成功的,应该考虑在可行的地点和时间。
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引用次数: 0
The use of a long-acting tranquilizer (zuclopenthixol acetate) and live video monitoring for successful long-distance transport of caribou (Rangifer tarandus) 使用长效镇定剂(醋酸zuclopenthixol)和实时视频监控成功远距离运输北美驯鹿(Rangifer tarandus)
Pub Date : 2021-11-27 DOI: 10.7557/2.41.1.5605
Owen M. Slater, Amber-Lynn Backwell, J. Cook, R. Cook
Long-distance transport of caribou (Rangifer tarandus) can result in morbidities and mortalities. This case report describes the use of a long-acting tranquilizer, zuclopenthixol acetate (ZA) and live video monitoring (LVM) to transport caribou over 2300 kilometers. Two groups of captive caribou were transported from Fort St. John, British Columbia to Dryden, Ontario (n=14; 28.5 h transport) and Anchorage, Alaska (n=11; 32 h transport).  The day prior to transport, caribou were administered ZA at 1 mg/kg via deep intramuscular (IM) injection.  Digital video cameras allowed for live observation of caribou during transport.  Still images of videos from each compartment in the Ontario transport were analyzed for percentage (%) lying versus standing over three time periods (Day 1, Night, and Day 2).  Overall, caribou spent 57% of the transport lying down, with the highest percentage occurring at night (73%).  As group size and animal density decreased there was a trend for caribou to spend more time lying down.  Three animals developed extrapyramidal effects to the ZA and were effectively treated with midazolam at 0.2 mg/kg IM. There were no significant visible injuries or mortalities during or up to 6 weeks post-transport. Zuclopenthixol acetate and LVM were used to successfully transport  caribou over long distances and should be considered in future translocations to improve animal welfare during transport.   
驯鹿(Rangifer tarandus)的长途运输可能导致疾病和死亡。该病例报告描述了使用长效镇静剂醋酸左氯戊酯(ZA)和实时视频监控(LVM)将驯鹿运送到2300多公里的地方。两组圈养驯鹿从不列颠哥伦比亚省的圣约翰堡被运送到安大略省的德莱顿(n=14;运输28.5小时)和阿拉斯加的安克雷奇(n=11;运输32小时)。在运输前一天,通过深层肌肉注射(IM)给驯鹿注射1mg/kg的ZA。数码摄像机允许在运输过程中对驯鹿进行现场观察。在三个时间段(第1天、第2天和第1天)内,分析安大略省交通工具中每个车厢的视频静止图像中躺着与站着的百分比(%)。总体而言,驯鹿57%的运输时间是躺着的,其中夜间的比例最高(73%)。随着群体规模和动物密度的减少,驯鹿有更多时间躺下的趋势。三只动物对ZA产生锥体外系作用,并用0.2 mg/kg IM的咪达唑仑进行有效治疗。在运输期间或运输后6周内,没有明显的伤亡。醋酸祖氯戊酯和LVM被用于成功地长途运输驯鹿,在未来的转运中应考虑提高运输过程中的动物福利。
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引用次数: 1
Monitoring recovery of overgrazed lichen communities on Hagemeister Island, southwestern Alaska 监测阿拉斯加西南部哈格梅斯特岛过度放牧地衣群落的恢复情况
Pub Date : 2021-01-14 DOI: 10.7557/2.41.1.5340
Patrick B Walsh, T. Goward
Understanding the recovery rate of overgrazed lichen communities has value to mangers of lands in northern regions. We describe lichen community composition and present recovery rate measurements for a 12-year period following overgrazing by reindeer (Rangifer tarandus) on Hagemeister Island, Alaska. Reindeer were removed from the island in 1993 following overgrazing and average total lichen biomass increased from 504.2 kg/ha (SD 205.4) in 2003 to 795.3 (SD 489.6) in 2015. We estimate time to recovery with three competing growth curves which estimate grazeable biomass may be reached in 34-41 years. However, estimates of full recovery to climax biomass varied among the models, ranging from 71 to 400 years. In 2015, lichen communities were composed of various mixtures of at least 78 lichen taxa, and were dominated by Cladina stygia and other important reindeer forage species. While reindeer overgrazing diminished forage quantity, it did not extirpate preferred forage taxa.
了解过度放牧地衣群落的恢复速度对北方地区土地管理者具有重要价值。本文描述了阿拉斯加哈格迈斯特岛(Hagemeister Island)驯鹿(Rangifer tarandus)过度放牧后12年期间的地衣群落组成和目前的恢复率测量。1993年,由于过度放牧,驯鹿被移出该岛,平均总地衣生物量从2003年的504.2 kg/ha (SD 205.4)增加到2015年的795.3 kg/ha (SD 489.6)。我们用三条竞争的生长曲线估计恢复时间,估计可放牧生物量可能在34-41年达到。然而,顶极生物量完全恢复的估算值在不同的模式之间存在差异,从71年到400年不等。2015年,地衣群落由至少78个地衣类群的不同混合组成,并以灌木藓属(Cladina stygia)和其他重要的驯鹿饲料种为主。虽然驯鹿过度放牧减少了牧草数量,但没有使首选牧草类群灭绝。
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引用次数: 0
David R. Klein 大卫·R·克莱因
Pub Date : 2020-12-16 DOI: 10.7557/2.40.1.5722
E. Reimers, O. Hjeljord, R. White, R. Langvatn
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引用次数: 0
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Rangifer
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