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57篇 您的检索式:作者名="AMMER M"
    题名 作者 年代 出处 被引量
1National Forest Inventories capture the multifunctionality of managed forests in Germany显示文摘Background:Forests perform various important ecosystem functions that contribute to ecosystem services.In many parts of the world,forest management has shifted from a focus on timber production to multi-purpose forestry,combining timber production with the supply of other forest ecosystem services.However,it is unclear which forest types provide which ecosystem services and to what extent forests primarily managed for timber already supply multiple ecosystem services.Based on a comprehensive dataset collected across 150 forest plots in three regions differing in management intensity and species composition,we develop models to predict the potential supply of 13 ecosystem services.We use those models to assess the level of multifunctionality of managed forests at the national level using national forest inventory data.Results:Looking at the potential supply of ecosystem services,we found trade-offs(e.g.between both bark beetle control or dung decomposition and both productivity or soil carbon stocks)as well as synergies(e.g.for temperature regulation,carbon storage and culturally interesting plants)across the 53 most dominant forest types in Germany.No single forest type provided all ecosystem services equally.Some ecosystem services showed comparable levels across forest types(e.g.decomposition or richness of saprotrophs),while others varied strongly,depending on forest structural attributes(e.g.phosphorous availability or cover of edible plants)or tree species composition(e.g.potential nitrification activity).Variability in potential supply of ecosystem services was only to a lesser extent driven by environmental conditions.However,the geographic variation in ecosystem function supply across Germany was closely linked with the distribution of main tree species.Conclusions:Our results show that forest multifunctionality is limited to subsets of ecosystem services.The importance of tree species composition highlights that a lack of multifunctionality at the stand level can be compensated by managing forests at the landscape level,when stands of complementary forest types are combined.These results imply that multi-purpose forestry should be based on a variety of forest types requiring coordinated planning across larger spatial scales.Nadja K.Simons María R.Felipe-Lucia Peter Schall Christian Ammer Jürgen Bauhus Nico Blüthgen Steffen Boch François Buscot Markus Fischer Kezia Goldmann Martin M.Gossner Falk Hänsel Kirsten Jung Peter Manning Thomas Nauss Yvonne Oelmann Rodica Pena Andrea Polle Swen C.Renner Michael Schloter Ingo Schöning Ernst-Detlef Schulze Emily F.Solly Elisabeth Sorkau Barbara Stempfhuber Tesfaye Wubet Jörg Müller Sebastian Seibold Wolfgang W.Weisser 2021Forest Ecosystems2021,8,1:2
2PicoRadio supports ad hoc ultra-low power wireless networking 显示文摘Rabaey J M Ammer M J da Silva J L Jr 2000Computer2000,33,7:1
3Pico radio supports Ad hoe ultra-low power wireless networking显示文摘Rabaey M J Ammer M Silva L J 2000IEEE Computer Magazine2000,33,7:1
4Picorodio supports ad hoc ultra-low power wireless networking显示文摘Rabacy J J Ammer M J da Silva Jr J L 2000Computer2000,33,7:1
5Picorodio Supports Ad Hoe Ultra-low Power Wireless Networking 显示文摘Rabaey J J Ammer M J da Silva J r J L 2000Computer2000,33,7:1
6PicoRadio supports Ad hoc ultra-low power wireless networking 显示文摘RABAEY J M AMMER M J SILVA da J L 2000IEEE Computer Magazine2000,33,7:1
7Picorodio supports ad hoc ultra-low power wireless networking 显示文摘RABACY J J AMMER M J PATEL D 2000Computer2000,33,7:1
8Picorodio Supports ad Hoc Ultra-Low Power Wireless Networking显示文摘Rabacy J J Ammer M J da Silva Jr J L Patel D Roundy S 2000Computer2000,33,7:1
9PicoRadio supports ad hoc ultra-low power wireless networking显示文摘RABAEY M J AMMER M SILVA L J 2000IEEE Computer Magazine2000,33,7:1
10Arterial stiffness and arterial wave reflections are as- sociated with systolic and diastolic function in patients with normal ejection fraction显示文摘WEBER T O'ROURKE M F AMMER M 2008Am J Hypertens2008,21,:1
11Modelling soil loss rates in the Ethiopian Highlands by integration of high resolution MOMS-02/D2-stereo-data in a GIS 显示文摘REUSING M SCHNEIDER T AMMER U 2000International Journal of Remote Sensing2000,21,9:1
12Picorodio supports ad hoc ultra-low power wireless networking显示文摘Rabacy J J Ammer M J da Silva Jr J L 2000Computer2000,33,7:1
13Picoradio supports Ad Hoc ultra-low power wireless networking显示文摘RABACY J J AMMER M J SILVA J 2000Computer2000,33,7:1
14PicoRadio supports ad hocultra-low power wireless networking 显示文摘RABAEY J M AMMER M J Da SILVA J L 2002IEEE Computer2002,33,7:1
15Pieorodio Supports Ad Hoe Ultra-low Power Wireless Networking 显示文摘Rabacy J J Ammer M J da Silva J L Jr 2000Computer2000,33,7:1
16PicoRadio supports ad-hoc ultra-low power wireless networking 显示文摘Rabaey J M Ammer M J da Silva J L Jr 2000Computer2000,33,7:1
17Picoradio supports ad hoc ultra-low power wireless networking显示文摘Rabacy J J Ammer M J Silva J L 2000Computer2000,33,7:1
18Picorodio Supports Ad Hoc Ultra-low Power Wireless Networking显示文摘RABACY J J AMMER M J da SILVA J L Jr 2000Computer2000,33,42:1
19Picoradio sup-ports ad hoc ultra low-power wireless networking显示文摘RABAEY J M AMMER M J DA SILVA J L 2000IEEE Compu-ter2000,33,7:1
20Pico Radio supports ad hoc ultra-low power wireless networking显示文摘Rabaey J M Ammer M J Silva J L D 2000IEEE Computer Magazine2000,33,7:1
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