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Marine Elbakidze Kjell Andersson Per Angelstam Glen W. Armstrong Robert Axelsson Frederik Doyon Martin Hermansson Jonas Jacobsson Yurij Pautov 《Ambio》2013,42(2):160-173
This paper analyzes how sustained yield (SY) forestry is defined and implemented in Sweden and Russia, two countries with different forest-industrial regimes. We first compare definitions of SY forestry in national legislation and policies. Then we study forest management planning in two large forest management units with respect to: delivered forest products and values, how the harvest level of timber is defined, where the harvest takes place, and what treatments are used to sustain desired forest products and values. In Sweden SY forestry is maximum yield based on high-input forest management, and in Russia it is forestry based on natural regeneration with minimum investments in silviculture. We conclude that how SY forestry contributes to SFM depends on the context. Finally, we discuss the consequences of SY forestry as performed in Sweden and Russia related to its ability to support diverse forest functions, as envisioned in sustainable forest management policy. 相似文献
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Kamran Moradkhani Laurence Cuisset Pierre Boisseau Olivier Pichon Marine Lebrun Houda Hamdi-Rozé Marie-Laure Maurin Nicolas Gruchy Marie-Christine Manca-Pellissier Perrine Malzac Frédéric Bilan Marie-Pierre Audrezet Pascale Saugier-Veber Anne-Laure Fauret-Amsellem Chantal Missirian Paul Kuentz Gregory Egea Agnès Guichet Isabelle Creveaux Caroline Janel Ines Harzallah Renaud Touraine Carole Goumy Nicole Joyé Jacques Puechberty Emmanuelle Haquet Sandra Chantot-Bastaraud Sébastien Schmitt Philippe Gosset Bénédicte Duban-Bedu Bruno Delobel Philippe Vago François Vialard Denise Molina Gomes Jean-Pierre Siffroi Jean-Paul Bonnefont Jean-Michel Dupont Philippe Jonveaux Martine Doco-Fenzy Damien Sanlaville Cédric Le Caignec 《黑龙江环境通报》2019,39(11):986-992
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Marine Elbakidze Thomas Hahn Volker Mauerhofer Per Angelstam Robert Axelsson 《Ambio》2013,42(2):174-187
The Biosphere Reserve (BR) concept aims at encouraging sustainable development (SD) towards sustainability on the ground by promoting three core functions: conservation, development, and logistic support. Sweden and Ukraine exemplify the diverse governance contexts that BRs need to cope with. We assessed how the BR concept and its core functions are captured in national legislations. The results show that the core functions are in different ways reflected in legal documents in both countries. While in Ukraine the BR concept is incorporated into legislation, in Sweden the concept is used as a soft law. In Ukraine managers desired stronger legal enforcement, while in Sweden managers avoided emphasis on legislation when collaborating with local stakeholders. Hence, BR implementation have adapted to different political cultures by development of diverse approaches. We conclude that a stronger legal support might not be needed for BRs, rather SD needs to be recognized as an integrated place-based process at multiple levels. 相似文献
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一株拮抗烟草青枯病菌的真菌的筛选与鉴定 总被引:1,自引:0,他引:1
为寻找烟草青枯病的生防微生物,研究采用平板涂布法从重庆烟田健康土壤中分离根际微生物,纯化后得到了59株真菌。用滤纸片法从中筛选出1株对青枯雷尔氏菌(Ralstonia solanacearum)有稳定拮抗效果的真菌,其抑菌圈为10.0 mm。其抑制活性优于或接近于近期发现的其他生防微生物。测定该株活性真菌的全细胞脂肪酸组成,进行菌落和分生孢子形态学观察,以及rDNA ITS区测序,结果表明:该菌株全细胞脂肪酸属性未被收录于TSBA6脂肪酸数据库,而根据形态学观察结果,以及对所获rDNA ITS区序列的分析,鉴定该株真菌为烟曲霉(Aspergillus fumigatus)。 相似文献
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Alexandre Robert Colin Fontaine Simon Veron Anne‐Christine Monnet Marine Legrand Joanne Clavel Stéphane Chantepie Denis Couvet Frédéric Ducarme Benoît Fontaine Frédéric Jiguet Isabelle le Viol Jonathan Rolland François Sarrazin Céline Teplitsky Maud Mouchet 《Conservation biology》2017,31(4):781-788
The field of biodiversity conservation has recently been criticized as relying on a fixist view of the living world in which existing species constitute at the same time targets of conservation efforts and static states of reference, which is in apparent disagreement with evolutionary dynamics. We reviewed the prominent role of species as conservation units and the common benchmark approach to conservation that aims to use past biodiversity as a reference to conserve current biodiversity. We found that the species approach is justified by the discrepancy between the time scales of macroevolution and human influence and that biodiversity benchmarks are based on reference processes rather than fixed reference states. Overall, we argue that the ethical and theoretical frameworks underlying conservation research are based on macroevolutionary processes, such as extinction dynamics. Current species, phylogenetic, community, and functional conservation approaches constitute short‐term responses to short‐term human effects on these reference processes, and these approaches are consistent with evolutionary principles. 相似文献
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有机磷农药分析测试方法的改进 总被引:4,自引:0,他引:4
对有机磷分析方法进行改进.使之能有效地对乐果、甲基对硫磷和乙基对硫磷进行检测,分离效果好,时间短。 相似文献
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Gustav Richnau Per Angelstam Sviataslau Valasiuk Lyudmyla Zahvoyska Robert Axelsson Marine Elbakidze Joshua Farley Ingemar Jönsson Ihor Soloviy 《Ambio》2013,42(2):188-200
Forest landscapes provide benefits from a wide range of goods, function and intangible values. But what are different forest owner categories’ profiles of economic use and non-use values? This study focuses on the complex forest ownership pattern of the River Helge å catchment including the Kristianstad Vattenrike Biosphere Reserve in southern Sweden. We made 89 telephone interviews with informants representing the four main forest owner categories. Our mapping included consumptive and non-consumptive direct use values, indirect use values, and non-use values such as natural and cultural heritage. While the value profiles of non-industrial forest land owners and municipalities included all value categories, the forest companies focused on wood production, and the Swedish Environmental Protection Agency on nature protection. We discuss the challenges of communicating different forest owners’ economic value profiles among stakeholders, the need for a broader suite of forest management systems, and fora for collaborative planning.