The Conservation and Restoration of the Mexican Islands, a Successful Comprehensive and Collaborative Approach Relevant for Global Biodiversity

Aguirre-Muñoz, Alfonso; Bedolla-Guzmán, Yuliana; Hernández-Montoya, Julio; Latofski-Robles, Mariam; Luna-Mendoza, Luciana; Méndez-Sánchez, Federico; Ortiz-Alcaraz, Antonio; Rojas-Mayoral, Evaristo; Samaniego‐Herrera, Araceli

doi:10.1007/978-3-319-90584-6_9

Cited by 12 publications

(16 citation statements)

References 19 publications

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“…Likewise, eradication of feral cats from Santa Catalina Island in 2004 favored the increase in population size and abundance per hour of searching of Sauromalus klauberi and Dipsosaurus catalinensis (Arnaud, 2015), and of Crotalus catalinensis (Cerdá, unpublished data). Up to April 2018, 60 populations of invasive mammals have been removed from 39 islands, 30 of which are now completely free of invasive mammals (Aguirre-Muñoz et al, 2018). Eradication of 83 invasive mammal populations from other 34 islands is in various stages.…”

Section: Discussionmentioning

confidence: 99%

RECORDS OF Sauromalus ater (DUMÉRIL, 1856) HATCHLINGS AND SUBADULTS ON SAN FRANCISCO ISLAND, GULF OF CALIFORNIA, MÉXICO

Cerdá-Ardura¹

2019

Rev Latin Herp

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Six hatchlings of the Common or Sonoran Desert Chuckwalla (Sauromalus ater) ranging from 60 mm to 93 mm (SVL) as well as 10 subadult individuals (mostly ♀) ranging from 110 mm to 146 mm (SVL) were recorded during three casual walks on the small island San Francisco, Baja California Sur, Gulf of California, México, in January and February, 2019. The presence of these hatchlings and subadult females could be an important sign of chuckwallas’ recovery and of continued population’s recruitment following eradication of feral cats and goats from the island in 1999 and 2000 respectively, and despite the intense presence of humans (fishermen and tourists) on the island. The chuckwalla population seems to be growing and becoming conspicuous on San Francisco after almost two decades of rare and infrequent records of individuals. Also, the vegetation shows more abundance and diversity, and more extensive covering than in previous years. Other vertebrate species, like the Baja California Rattlesnake (Crotalus enyo) and the Burrowing Owl (Athene cunicularia) were recorded as well during the walks. All these observations possibly indicate a whole and progressive biota restoration on this tiny island after devastation by invasive fauna, combined with previous good wet years.

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Section: Discussionmentioning

confidence: 99%

RECORDS OF Sauromalus ater (DUMÉRIL, 1856) HATCHLINGS AND SUBADULTS ON SAN FRANCISCO ISLAND, GULF OF CALIFORNIA, MÉXICO

Cerdá-Ardura¹

2019

Rev Latin Herp

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“…Diversity 2021, 13, 588 2 of 14 and 8 mammals) [10,11]. Fortunately, the eradication of invasive mammalian predators has been a successful conservation tool for decades [12,13], with projects being implemented on increasingly large and complex settings, including inhabited islands [14,15].…”

Section: Birdsmentioning

confidence: 99%

“…Over two decades, Mexico has successfully eradicated 60 populations of invasive mammals from 39 islands [10,11], including the eradication of 16 rodent populations (12 R. rattus, 3 Mus musculus, 1 Peromyscus eremicus) from 15 islands, ranging in size from 2 to 539 ha [19,20]. Mexico stands out in the number of islands restored, notably conducting almost half (45%) of the projects on inhabited islands, in all cases with the consent of local communities, and in many with their active participation [21].…”

Section: Birdsmentioning

confidence: 99%

Involvement of a Fishing Community in the Eradication of the Introduced Cactus Mouse (Peromyscus eremicus cedrosensis) from San Benito Oeste Island, Mexico

Méndez-Sánchez

Aguirre-Muñoz²,

Samaniego‐Herrera³

et al. 2021

Diversity

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San Benito Archipelago is internationally important for the conservation of 13 species of seabirds. San Benito Oeste, the largest and only inhabited island, was declared mammal-free in 2000 after a series of eradications conducted in collaboration between the fishing cooperative Pescadores Nacionales de Abulón, the Mexican conservation organization, Grupo de Ecología y Conservación de Islas, A.C., and the Mexican Government. The archipelago remained mammal-free until 2006, when an unusual invader, the Cedros island cactus mouse (Peromyscus eremicus cedrosensis), was accidentally introduced to San Benito Oeste island. The same collaboration scheme involving locals, conservationists, and authorities was once again put in motion, delivering tangible results. Research informed the mouse eradication strategy, the local community supported the operation, and the mouse eradication was successfully implemented in December 2013. To date (8 years later), no mammals have been recorded in the archipelago, which suggests community-led island biosecurity is working. In addition, this collaborative restoration work contributed to the creation of the Baja California Pacific Islands Biosphere Reserve, protecting 21 islands, including the San Benito Archipelago, and 97 islets in the Mexican Pacific.

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“…There was a delay between the pioneer work in temperate New Zealand and its application to tropical regions, where several organizations have been building capacity in addition to adapting best practices designed for temperate regions. Mexico and Seychelles are good examples of countries that have developed national capacity while adapting techniques for tropical regions (Aguirre‐Muñoz et al, 2018; Rocamora, 2019). However, the overall lower eradication success rate in the tropics (Russell & Holmes, 2015) is more difficult to explain, and the causes are unresolved (Samaniego et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Factors leading to successful island rodent eradications following initial failure

Samaniego‐Herrera

Kappes

Broome

et al. 2021

Conservat Sci and Prac

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Island rodent eradications are increasingly conducted to eliminate the negative impacts of invasive rodents. The success rate in the tropics has been lower than in temperate regions, triggering research and reviews. Environmental factors unique to the tropics (e.g., land crabs and year-round rodent breeding) have been associated with eradication failure. Operational factors have also been important, but these have not been comprehensively assessed. The environmental and operational factors using global cases where rodent eradication initially failed and subsequent attempts occurred were compared. It was determined whether operational factors explained the initial failures, whether operational improvements explained subsequent successes, and whether reattempting eradication after failure was worthwhile. About 35 eradication attempts on 17 islands, each with 1-2 species from a total of 5 species (Mus musculus and 4 Rattus spp.) were identified. On 14 islands (82%), eradication was achieved on the second (86%) or third attempt (14%). On the remaining 3 islands, eradication was not achieved. Evidence of operational faults for all failed attempts was found (e.g., poor planning, low quality bait, and gaps during bait application). In some cases, operational faults were unequivocally the

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The Conservation and Restoration of the Mexican Islands, a Successful Comprehensive and Collaborative Approach Relevant for Global Biodiversity

Cited by 12 publications

References 19 publications

RECORDS OF Sauromalus ater (DUMÉRIL, 1856) HATCHLINGS AND SUBADULTS ON SAN FRANCISCO ISLAND, GULF OF CALIFORNIA, MÉXICO

RECORDS OF Sauromalus ater (DUMÉRIL, 1856) HATCHLINGS AND SUBADULTS ON SAN FRANCISCO ISLAND, GULF OF CALIFORNIA, MÉXICO

Involvement of a Fishing Community in the Eradication of the Introduced Cactus Mouse (Peromyscus eremicus cedrosensis) from San Benito Oeste Island, Mexico

Factors leading to successful island rodent eradications following initial failure

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