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Claremont Graduate University

Outside the Coffee Belt: A Study on the Suitability and Sustainability of Coffee Plants in California Due to Climate Change Using GIS

Abstract

dc:description.abstract

<p>California has a unique climate that is suitable for growing a variety of agricultural crops. As stated by the California Department of Food and Agriculture, California’s agricultural abundance includes more than 400 commodities, and of these, over a third of the vegetables and three-quarters of the fruits and nuts consumed in the United States are grown in California. Mark Gaskell, Ph.D., a California Cooperative Extension Farm Advisor, recently began an experiment to grow coffee plants; he believed that due to changing climatic conditions, California farmers could start to grow coffee plants in their fields. Several farmers also agreed to experiment and found that the plants did indeed increase. The issue, however, is that farmers would like to know if they can reliably plant coffee on their farms and sustain coffee production for years to come. As a result, this study utilized the maximum entropy approach, a well-established algorithm for modeling habitat suitability over geographical domains, to measure the impact of future climate change on the sustainability of growing coffee plants in California in the years ahead. Layers of worldwide climate data that represent 19 bioclimatic variables were utilized in this study. WorldClim is an online repository containing historical, monthly meteorological data averaged across 30 years (1970–2000) and climate data representing possible future conditions based on various climate prediction models. While this study focuses on the impact of climate change on coffee plants, the methodological processes developed and the resultant findings are expected to apply to a wide variety of agricultural crops.</p>

Degree

thesis:*
Name thesis:degree_name
Information Systems and Technology, PhD
Level thesis:degree_level
Open Access Dissertation
Discipline thesis:degree_discipline
Center for Information Systems and Technology
Year dc:date.available
2023

Author and committee

dc:creator, dc:contributor.*
Author dc:creator
  • Casillas, Vanessa Arias
Contributors dc:contributor
  • June Hilton
  • Itamar Shabtai

Subjects

dc:subject × 5

Identifiers

dc:identifier.*
Repository record dc:identifier
https://scholarship.claremont.edu/cgu_etd/915
OAI identifier oai:identifier
oai:scholarship.claremont.edu:cgu_etd-1937

Chain of custody

source
Harvested from
Claremont Graduate University
Base URL
scholarship.claremont.edu/do/oai/
Last updated
2026-07-24
Source record
OAI-PMH GetRecord
citation

Casillas, Vanessa Arias. Outside the Coffee Belt: A Study on the Suitability and Sustainability of Coffee Plants in California Due to Climate Change Using GIS. Open Access Dissertation thesis, 2023. https://scholarship.claremont.edu/cgu_etd/915