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Forests 2015, 6(7), 2324-2344; doi:10.3390/f6072324

Influence of Climate and Economic Variables on the Aggregated Supply of a Wild Edible Fungi (Lactarius deliciosus)

1
Department of Agribusiness Engineering and Biotechnology, Technical University of Catalunya, Building D4-C, Esteve Terradas, 8, 08860 Castelldefels, Spain
2
Department of Forestry Economics and Management, Technical University of Madrid, ETS Ingenieros de Montes, Ciudad Universitaria s/n. 28040 Madrid, Spain
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Douglas L. Godbold
Received: 25 March 2015 / Revised: 25 June 2015 / Accepted: 29 June 2015 / Published: 6 July 2015
(This article belongs to the Special Issue Mycorrhizal Fungi of Forests)
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Abstract

A mycological supply function of wild edible fungi is determined by a set of forest and economic variables, among which climate variables stand out. Focusing on wild mushroom picking with commercial value (Lactarius deliciosus (L.) Gray) as an example, the main objective of this paper is to obtain empirical evidence about the impact of meteorological and economic variables on the mushroom supply. A multidisciplinary vector error correction (VEC) model for mushroom supply is estimated. Coefficients for the Error Correction Term (ECT) are all significant, at the 0.01 significance level, both in the model for prices and for collected mushrooms. The value of the ECT coefficient in the equation for prices is −0.086 (t-value: −9.321), and for the collected mushroom equation is 0.499 (t-value: 3.913). The impact of precipitation on price changes is −0.104 (t-value: −1.66), and the impact of temperature on mushroom harvest picking is 0.605 (t-value: 3.07). We find that including climate factors to explain mushroom supply considerably strengthens the explanatory power of the model, and in some cases greatly changes the results. View Full-Text
Keywords: edible fungi; Lactarius deliciosus; rainfall; temperature; mushroom price; causality edible fungi; Lactarius deliciosus; rainfall; temperature; mushroom price; causality
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Alfranca, O.; Voces, R.; Diaz-Balteiro, L. Influence of Climate and Economic Variables on the Aggregated Supply of a Wild Edible Fungi (Lactarius deliciosus). Forests 2015, 6, 2324-2344.

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