Spring understory herbs flower later in intensively managed forests
نویسندگان
چکیده
Abstract Many organisms respond to anthropogenic environmental change through shifts in their phenology. In plants, flowering is largely driven by temperature, and therefore affected climate change. However, on smaller scales climatic conditions are also influenced other factors, including habitat structure. A group of plants with a particularly distinct phenology the understory herbs temperate European forests. these forests, management alters tree species composition (often replacing deciduous coniferous species) homogenizes stand structure, as consequence changes light microclimate. Forest should thus affect herbs. To test this, we recorded 16 early‐flowering 100 forest plots varying intensity, from near‐natural intensely managed central southern Germany. We found that stands high such Norway spruce plantations, flowered average about 2 weeks later than unmanaged This was because microclimate (e.g., spring temperatures 5.9°C coniferous, 6.7 deciduous, 7.0°C plots), which turn phenology, colder moister (+4.5 d per −1°C 2.7 10% humidity increase). Among characteristics, percentage conifers had greatest influence microclimate, but age, overall crown projection area, structural complexity spatial distribution stands. Our study indicates plant potential far‐reaching consequences for ecology evolution understorey communities. More generally, our demonstrates besides drivers change, too, can organisms.
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ژورنال
عنوان ژورنال: Ecological Applications
سال: 2021
ISSN: ['1051-0761', '1939-5582']
DOI: https://doi.org/10.1002/eap.2332