Michael J. Liles

Michael J. Liles
University of Texas at El Paso | UTEP · Department of Biological Sciences

PhD

About

34
Publications
9,782
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
604
Citations
Citations since 2017
21 Research Items
463 Citations
2017201820192020202120222023020406080100120
2017201820192020202120222023020406080100120
2017201820192020202120222023020406080100120
2017201820192020202120222023020406080100120
Additional affiliations
September 2008 - August 2015
Texas A&M University
Position
  • Research Assistant

Publications

Publications (34)
Article
Full-text available
In the eastern Pacific Ocean, hawksbill sea turtles ( Eretmochelys imbricata ) are adapted to use coastal habitats and ecosystems uncharacteristic of most other sea turtles. Once considered extirpated from this region, hawksbills had sought refuge in estuaries, nesting on muddy banks among the tangles of mangrove roots. This population is at high r...
Article
Full-text available
Successful conservation of endangered, migratory species requires an understanding of habitat use throughout life stages. When dedicated scientific studies are difficult to conduct, local expert knowledge can provide crucial baseline data to guide study design and aid data interpretation. In 2008, fishers in El Salvador demonstrated that eastern Pa...
Article
Full-text available
Effective management of natural resources often requires diverse strategies implemented by a variety of conservation practitioners. Despite stark gender inequality challenges in many regions of the world, women can and do play a fundamental role in conservation initiatives in rural and other communities. However, examples of women’s involvement in...
Article
Public preferences for wildlife protection can dictate the success or failure of conservation interventions. However, little research has focused on wildlife preferences among youth or how youth prioritize species-based conservation. We conducted a study of youth between 7 and 20 years old (n = 128) at five local schools situated near critical hawk...
Technical Report
Full-text available
Five turtle species from seven regional management units (RMUs) inhabit the waters of 12 different countries in the East Pacific (EP) Ocean region. This Regional Overview section provides a brief summary of each RMU by species and is followed by detailed information in chapters from 10 (83.3%) of the countries found in the EP, with Canada and Guate...
Article
Public engagement is fundamental to environmental planning, yet natural resource professionals often struggle to achieve desired stakeholder participation. This policy intention–action gap often is attributed to failure to integrate people's preferences into policy recommendations. Understanding stakeholders' social control frames, or preferences r...
Article
Full-text available
Assessing population connectivity and identifying conservation units are critical to formulating effective management plans for marine turtles. We combined a multiplexed targeted enrichment capture technique and high-throughput sequencing to discover single nucleotide polymorphisms (SNPs) and to genotype hawksbill turtles (Eretmochelys imbricata) t...
Article
Full-text available
Using social science to integrate local knowledge into conservation science can provide unique insights to conservation challenges. Especially when baseline data of a vulnerable wildlife population are deficient, these methods can help fill critical data gaps. In this study, we integrate the principals from the trinity of voice (TOV) and participat...
Article
Full-text available
Anthropogenic climate change is widely considered a major threat to global biodiversity, such that the ability of a species to adapt will determine its likelihood of survival. Egg‐burying reptiles that exhibit temperature‐dependent sex determination, such as critically endangered hawksbill turtles (Eretmochelys imbricata), are particularly vulnerab...
Article
Full-text available
Genetic analyses of nuclear DNA (e.g., microsatellites) are a primary tool for investigating mating systems in reptiles, particularly marine turtles. Whereas studies over the past two decades have demonstrated that polyandry (i.e., females mating with multiple males) is common in marine turtles, polygyny (i.e., males mating with multiple females) h...
Preprint
Full-text available
Sea turtles are a keystone species and are highly sensitive to changes in their environment, making them excellent environmental indicators. In light of environmental and climate changes, species are increasingly threatened by pollution, changes in ocean health, habitat alteration, and plastic ingestion. There may be additional health related threa...
Article
Full-text available
Seagrasses are aquatic angiosperms that grow submerged in shallow marine and estuarine environments worldwide. Halodule wrightii is a circumtropically distributed seagrass species found primarily in the Atlantic Ocean, but also in parts of the Indian Ocean and eastern Pacific Ocean. Along the Pacific coast of Central America, large swaths of the re...
Article
Full-text available
The complex processes involved with animal migration have long been a subject of biological interest, and broad-scale movement patterns of many marine turtle populations still remain unresolved. While it is widely accepted that once marine turtles reach sexual maturity they home to natal areas for nesting or reproduction, the role of philopatry to...
Article
Full-text available
Prior to 2007, efforts to monitor and conserve hawksbill turtles (Eretmochelys imbricata) in the eastern Pacific Ocean were opportunistic and records were virtually non-existent. The first abundance estimates were published in 2010, but contained limited data on the species. Ongoing research since that time has led to the identification of several...
Article
Full-text available
Small-scale coastal fisheries can cause detrimental impacts to non-target megafauna through bycatch. This can be particularly true when high-use areas for such species overlap with fishing grounds, as is the case with hawksbill turtle (Eretmochelys imbricata) aggregations at lobster gillnet fishing sites in El Salvador and Nicaragua. We quantified...
Article
Full-text available
Understanding the spatial ecology of wide-ranging marine species is fundamental to advancing ecological research and species management. For marine turtles, genetic studies using mitochondrial DNA (mtDNA) markers have proven invaluable to characterize movement, particularly between rookeries (i.e. nesting sites) and foraging grounds. Hawksbill turt...
Article
Full-text available
As in many other parts of the world, in El Salvador, few sea turtle (Testudines: Cheloniidae) eggs develop and hatch in situ on nesting beaches. Instead, conservationists relocate most sea turtle eggs to hatcheries for protection. Hatchery managers incubate the eggs in artificial nests within protected enclosures and then release the hatchling sea...
Article
Full-text available
Prior to 2008 and the discovery of several important hawksbill turtle (Eretmochelys imbricata) nesting colonies in the EP (Eastern Pacific), the species was considered virtually absent from the region. Research since that time has yielded new insights into EP hawksbills, salient among them being the use ofmangrove estuaries for nesting. These recen...
Article
Full-text available
Hawksbill turtles (Eretmochelys imbricata) are highly endangered in the eastern Pacific Ocean, yet their eggs continue to be an important subsistence resource for impoverished coastal residents in El Salvador. In this study, we use naturalistic inquiry to explain the realities experienced by coastal residents who share habitat with hawksbills in El...
Conference Paper
Full-text available
Considered functionally extirpated as recently as 2008, information on hawksbill turtles (Eretmochelys imbricata) in the eastern Pacific Ocean remains scant, hindering management of the population. The use of molecular genetic techniques plays a critical role in the understanding and management of global sea turtle populations. Due to strong philop...
Article
Full-text available
Los biólogos conservacionistas frecuentemente utilizan datos de las mismas especies o especies relacionadas los cuales han sido recolectados en diversas ubicaciones geográficas para orientar las intervenciones en situaciones donde su aplicabilidad es incierta. Existen peligros inherentes al utilizar este enfoque. Los hábitats de anidación de las to...
Article
Full-text available
Understanding the movement and dive behaviour of marine turtles directly informs spatial management strategies. Hawksbill turtles (Eretmochelys imbricata, Linnaeus 1766) are a globally endangered marine turtle species, with populations in the eastern Pacific Ocean identified as particularly threatened. To date, very little research on the dive beha...
Article
Full-text available
Elucidating spatio-temporal movements of animals is an integral component of wildlife conservation and protected species management. Between 2008 and 2010 we satellite tracked 15 adult female hawksbill turtles Eretmochelys imbricata in the eastern Pacific Ocean to evaluate their movement behavior and to guide management and conservation efforts of...
Article
Full-text available
Adult hawksbill turtles (Eretmochelys imbricata) are typically described as open-coast, coral reef and hard substrate dwellers. Here, we report new satellite tracking data on female hawksbills from several countries in the eastern Pacific that revealed previously undocumented behaviour for adults of the species. In contrast to patterns of habitat u...
Article
Full-text available
El Salvador has a series of nesting beaches that together host the highest remaining nesting abundance of hawksbill turtles Eretmochelys imbricata in the eastern Pacific Ocean. However, the distribution of hawksbill turtle nesting and causes of hawksbill mortality along the Salvadoran coast are yet to be described. Here, we report on life history i...
Article
Full-text available
While little is known about hawksbill turtles Eretmochelys imbricata in the eastern Pacific Ocean, available information suggests that the population has declined substantially in recent decades and could be near extirpation in the region. To evaluate the current status of the population more effectively and to determine the feasibility of recovery...
Conference Paper
Full-text available
La mayoría de las poblaciones de tortugas marinas tienen historias naturales que traspasan fronteras y las redes multinacionales han llegado a ser una parte importante de exitosas investigaciones y de estrategias de conservación. La importancia de las redes se incrementa considerablemente al tratar con poblaciones de tortugas marinas poco estudiada...

Network

Cited By

Projects

Project (1)
Project
Generar conocimiento sobre la diversidad de especies vegetales en El Salvador.