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| DOI | 10.1111/1365-2664.14606 |
| Climatic and management-related drivers of endemic European spruce bark beetle populations in boreal forests | |
| 发表日期 | 2024 |
| ISSN | 0021-8901 |
| EISSN | 1365-2664 |
| 起始页码 | 61 |
| 结束页码 | 4 |
| 卷号 | 61期号:4 |
| 英文摘要 | Climate change is already reducing carbon sequestration in Central European forests dramatically through extensive droughts and bark beetle outbreaks. Further warming may threaten the enormous carbon reservoirs in the boreal forests in northern Europe unless disturbance risks can be reduced by adaptive forest management. The European spruce bark beetle (Ips typographus) is a major natural disturbance agent in spruce-dominated forests and can overwhelm the defences of healthy trees through pheromone-coordinated mass-attacks. We used an extensive dataset of bark beetle trap counts to quantify how climatic and management-related factors influence bark beetle population sizes in boreal forests. Trap data were collected during a period without outbreaks and can thus identify mechanisms that drive populations towards outbreak thresholds. The most significant predictors of bark beetle population size were the volume of mature spruce, the extent of newly exposed clearcut edges, temperature and soil moisture. For clearcut edge, temperature and soil moisture, a 3-year time lag produced the best model fit. We demonstrate how a model incorporating the most significant predictors, with a time lag, can be a useful management tool by allowing spatial prediction of future beetle population sizes. Synthesis and Applications: Some of the population drivers identified here, i,e., spruce volume and clearcut edges, can be targeted by adaptive management measures to reduce the risk of future bark beetle outbreaks. Implementing such measures may help preserve future carbon sequestration of European boreal forests. Globale klimaendringer forer allerede til drastisk redusert karbonbinding i sentraleuropeiske barskoger ved a legge til rette for omfattende torke og barkbilleutbrudd. Ytterligere oppvarming kan true de enorme karbonreservoarene i de boreale skogene i Nord-Europa, med mindre risikoen reduseres gjennom adaptiv skogforvaltning. Den europeiske granbarkbillen (Ips typographus) er en viktig okologisk forstyrrelsesfaktor i grandominerte skoger og kan overmanne forsvaret til friske tr AE r gjennom koordinerte masseangrep. Vi har analysert et stort datasett med fangsttall fra barkbillefeller for a kvantifisere hvordan klimatiske og forvaltningsrelaterte faktorer pavirker mengden barkbiller i boreale skoger. Fangstdataene ble samlet inn over en lang tidsperiode uten barkbilleutbrudd, og vi kunne dermed identifisere mekanismer som driver barkbillepopulasjonene mot utbruddsterskler. De viktigste prediktorene for mengden barkbiller lokalt var volum hogstmoden gran, mengden ferske hogstflatekanter, lufttemperatur og jordfuktighet. For flatekant, temperatur og jordfuktighet fant vi at en tidsforsinkelse pa tre ar ga de best modellene. Vi viser ogsa hvordan en modell som inkluderer de viktigste prediktorene, med en tidsforsinkelse, kan v AE re et nyttig forvaltningsverktoy for a gjore romlige prediksjoner av mengden barkbiller noen ar frem i tid. Syntese og anvendelse: Noen av populasjonsdriverne vi identifiserer her, slik som granvolum og mengden hogstkanter, kan pavirkes av adaptive skjotselstiltak for a redusere risikoen for fremtidige barkbilleutbrudd. Gjennomforingen av slike skjotselstiltak kan bidra til a sikre den fremtidige karbonbindingen i Europas boreale skoger. Some of the population drivers identified here, i.e., spruce volume and clearcut edges, can be targeted by adaptive management measures to reduce the risk of future bark beetle outbreaks. Implementing such measures may help preserve future carbon sequestration of European boreal forests.image |
| 英文关键词 | boreal forests; climate; forest disturbance; Ips typographus; Picea abies; population dynamics; spatial prediction |
| 语种 | 英语 |
| WOS研究方向 | Biodiversity & Conservation ; Environmental Sciences & Ecology |
| WOS类目 | Biodiversity Conservation ; Ecology |
| WOS记录号 | WOS:001162890800001 |
| 来源期刊 | JOURNAL OF APPLIED ECOLOGY
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/306745 |
| 作者单位 | Norwegian Institute of Bioeconomy Research; Norwegian Institute of Bioeconomy Research |
| 推荐引用方式 GB/T 7714 | . Climatic and management-related drivers of endemic European spruce bark beetle populations in boreal forests[J],2024,61(4). |
| APA | (2024).Climatic and management-related drivers of endemic European spruce bark beetle populations in boreal forests.JOURNAL OF APPLIED ECOLOGY,61(4). |
| MLA | "Climatic and management-related drivers of endemic European spruce bark beetle populations in boreal forests".JOURNAL OF APPLIED ECOLOGY 61.4(2024). |
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