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11 June 2024 BIOSPHERE 2 REEXAMINED: ANT SPECIES COMPOSITION WITHIN A HUMAN-CONSTRUCTED ECOSYSTEM
Hannah Dinell, Kaitlyn Mathis, Judith Bronstein
Author Affiliations +
Abstract

The ant communities within Biosphere 2, a massive, enclosed set of human-constructed habitats in southern Arizona, had not been examined in >20 yr. Throughout 2018, we conducted five ant surveys within and around Biosphere 2 to determine the current species composition and to determine whether species within the facility are establishing in the surrounding native habitat. As in previous surveys, we found exceedingly high numbers of Paratrechina longicornis, an invasive ant species, within every Biosphere 2 “biome” that we examined. We also found it to be present in the habitat surrounding the structure. How species that thrive in disturbed ecosystems infiltrate and affect native ecosystems is critical to understand, especially for systems intended to be sealed, such as Biosphere 2.

Las comunidades de hormigas dentro de la Biosphere 2, un conjunto masivo y cerrado de biomas construidos por humanos en el sur de Arizona, no han sido examinadas en más de veinte años. En 2018, realizamos cinco estudios de hormigas dentro y alrededor Biosphere 2, para determinar la composición actual de las especies y determinar si las especies dentro de la instalación se están estableciendo en el hábitat nativo. Al igual que en estudios anteriores, encontramos cantidades extremadamente altas de Paratrechina longicornis, una hormiga invasora dentro de cada “bioma” de la Biosphere 2 que examinamos. También encontramos que estaba presente en el desierto que rodea la estructura. Tener en cuenta cómo las especies que prosperan en ecosistemas perturbados se infiltran y afectan los ecosistemas nativos es una consideración importante, especialmente para los sistemas destinados a ser sellados, como Biosphere 2.

Hannah Dinell, Kaitlyn Mathis, and Judith Bronstein "BIOSPHERE 2 REEXAMINED: ANT SPECIES COMPOSITION WITHIN A HUMAN-CONSTRUCTED ECOSYSTEM," The Southwestern Naturalist 68(2), 150-155, (11 June 2024). https://doi.org/10.1894/0038-4909-68.2.150
Received: 25 February 2022; Accepted: 23 April 2024; Published: 11 June 2024
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