Prescribed fire reduces insect infestation in Karuk and Yurok acorn resource systems

نویسندگان

چکیده

Prescribed fire is used extensively as a management tool in fire-adapted landscapes of the American West to maintain ecosystem structure and function while reducing wildfire risk. Seasonally specific prescribed by many Indigenous groups increase quality quantity cultural resources promote desired patterns habitat diversity. Traditionally, Karuk Yurok Tribes California applied tanoak (Notholithocarpus densiflorus, Fagaceae) acorn gathering areas during fall reduce infestation acorns larvae filbertworm (Cydia latiferreana, Tortricidae) filbert weevil (Curculio occidentalis, Curculionidae). It has become increasingly difficult select culturally appropriate times which apply resource due changing environmental conditions associated political considerations. To assess effect non-traditional on tribal systems, we investigated effects early summer burning rates larval acorns. We also studied how competing frugivores affected availability edible human consumers. found that significantly reduced burn year (36.7%) but no difference between treatments was detected one year-post fire. Selective vertebrate frugivory density 39%. Our results highlight importance seasonally-specific managing systems supporting eco-cultural revitalization.

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ژورنال

عنوان ژورنال: Forest Ecology and Management

سال: 2022

ISSN: ['0378-1127', '1872-7042']

DOI: https://doi.org/10.1016/j.foreco.2021.119768