Towards Conserving Crop Wild Relatives along the Texas–Mexico Border: The Case of Manihot walkerae

Gisel Garza, Crystian Sadiel Venegas Barrera, Jon Dale, José Guadalupe Martínez-Ávalos and Teresa Patricia Feria Arroyo
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Gisel Garza: Department of Biology, The University of Texas Rio Grande Valley, 1201 W University Drive, Edinburg, TX 78539, USA
Crystian Sadiel Venegas Barrera: Tecnológico Nacional de México, Instituto Tecnológico de Ciudad Victoria, Boulevard Emilio Portes Gil 1301, Ciudad Victoria 87010, Tamaulipas, Mexico
Jon Dale: American Forests, 1220 L St NW #750, Washington, DC 20005, USA
José Guadalupe Martínez-Ávalos: Instituto de Ecología Aplicada, Universidad Autónoma de Tamaulipas, División del Golfo 356, Col. Libertad, Ciudad Victoria 87019, Tamaulipas, Mexico
Teresa Patricia Feria Arroyo: Department of Biology, The University of Texas Rio Grande Valley, 1201 W University Drive, Edinburg, TX 78539, USA

Sustainability, 2022, vol. 14, issue 9, 1-15

Abstract: Walker’s Manihot, Manihot walkerae , is an endangered species endemic to south Texas and northeastern Mexico and is a Crop Wild Relative (CWR) of the international and economically important crop cassava ( M. esculenta ). Manihot walkerae is globally endangered (IUCN’s Redlist, Texas list, USA); however, it is not recognized on the Mexican list of endangered species (NOM-059-SEMARNAT). We assessed the status of M. walkerae in Mexico and re-evaluated its global status. According to our analysis, M. walkerae should be considered an endangered species based on the IUCN’s assessment method and a threatened species in Mexico based on the Mexican criteria. Our findings encourage the establishment of sound conservation plans for M. walkerae along the Texas–Mexico border.

Keywords: endangered; crop wild relative; extinction risk assessments; area of occupancy; extent of occurrence (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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