Long-term monitoring reveals a highly structured interspecific variability in climatic control of sporocarp production

被引:20
作者
Agreda, Teresa [1 ]
Agueda, Beatriz [2 ]
Fernandez-Toiran, Marina [3 ]
Vicente-Serrano, Sergio M. [4 ]
Olano, Jose M. [2 ,5 ,6 ]
机构
[1] Genius Medioambiente, C Campaneros 26, Almazan 42200, Soria, Spain
[2] Univ Valladolid, EU Ingn Agr, Dept Ciencias Agroforestales, Area Bot, Campus Duques Soria, Soria 42004, Spain
[3] Univ Valladolid, EU Ingn Agr, Dept Prod Vegetal & Recursos Forestales, Campus Duques Soria, Soria 42004, Spain
[4] CSIC, IPE, Avda Montanana 1005, Zaragoza 50059, Spain
[5] Univ Valladolid, Sustainable Forest Management Res Inst, Avda Madrid 44, Palencia 34004, Spain
[6] INIA, Avda Madrid 44, Palencia 34004, Spain
关键词
Global warming; Long-term monitoring; Mushrooms production; Mycorrhizal fungi; Saprotrophic fungi; LACTARIUS-DELICIOSUS; PINE FORESTS; ECTOMYCORRHIZAL; FUNGI; COMMUNITY; MUSHROOM; DIVERSITY; RESPONSES; PATTERNS; TEMPERATURE;
D O I
10.1016/j.agrformet.2016.03.015
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
Understanding factors triggering fungal sporocarp productivity responses to climate at an individual species level is critical to predicting future species composition and abundance under global climate change scenarios. Different climatic responses at a species level may lead to shifts in species turnover and in the relative contributions of different species, which may in turn have strong impacts on community functional attributes. We used sporocarp production data compiled over 15 years of weekly sampling during the mushroom fruiting season in a continental Mediterranean climate pine forest to estimate: (i) the interspecific variability on the climatic factors constraining fungal sporocarp productivity, (ii) the relationship of this variability linked to mushroom phenology and trophic guilds, and (iii) the impact of different species responses on sporocarp community composition and diversity under projected climate change scenarios. Fungal fruitbody production was closely correlated with climatic conditions throughout the year, indicating that sporocarp development may be controlled by processes occurring well before the fruiting season. The large interspecific variability in the climatic factors controlling sporocarp production was highly structured with differences inlength of the temporal window controlling this process, and the timing of the summer-autumn rainfall climatic signal being the most relevant factors. Climatic response was unrelated to fungal phenology or trophic guild. When individual models are applied to future climate scenarios (2021-2080), they predict a decrease in total sporocarp productivity, which agrees with community based models, as well as a shift in community composition, leading to less species-diverse assemblages. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码:39 / 47
页数:9
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