Stand Structural Characteristics Derived from Combined TLS and Landsat Data Support Predictions of Mushroom Yields in Mediterranean Forest

Forest fungi provide recreational and economic services, as well as ecosystem biodiversity. Wild mushroom yields are difficult to estimate; climatic conditions are known to trigger temporally localised yields, and forest structure also affects productivity. In this work, we analyse the capacity of r...

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Bibliographic Details
Published in:Remote sensing (Basel, Switzerland) Switzerland), 2022-10, Vol.14 (19), p.5025
Main Authors: Martínez-Rodrigo, Raquel, Gómez, Cristina, Toraño-Caicoya, Astor, Bohnhorst, Luke, Uhl, Enno, Águeda, Beatriz
Format: Article
Language:English
Subjects:
Autumn
Biodiversity
Biomass
Climate change
Climate models
Climatic conditions
Ecosystems
Forest products
Forests
Fungi
generalised additive mixed model
Lactarius deliciosus
Landsat
Mediterranean forests
mushroom yields
Mushrooms
NDVI
Pine trees
Precipitation
Productivity
Remote sensing
Stand structure
Sustainable development
Time series
TLS
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Summary:Forest fungi provide recreational and economic services, as well as ecosystem biodiversity. Wild mushroom yields are difficult to estimate; climatic conditions are known to trigger temporally localised yields, and forest structure also affects productivity. In this work, we analyse the capacity of remotely sensed variables to estimate wild mushroom biomass production in Mediterranean Pinus pinaster forests in Soria (Spain) using generalised additive mixed models (GAMMs). In addition to climate variables, multitemporal NDVI derived from Landsat data, as well as structural variables measured with mobile Terrestrial Laser Scanner (TLS), are considered. Models are built for all mushroom species as a single pool and for Lactarius deliciosus individually. Our results show that, in addition to autumn precipitation, the interaction of multitemporal NDVI and vegetation biomass are most explanatory of mushroom productivity in the models. When analysing the productivity models of Lactarius deliciosus, in addition to the interaction between canopy cover and autumn minimum temperature, basal area (BA) becomes relevant, indicating an optimal BA range for the development of this species. These findings contribute to the improvement of knowledge about wild mushroom productivity, helping to meet Goal 15 of the 2030 UN Agenda.
ISSN:2072-4292
2072-4292
DOI:10.3390/rs14195025