Velkiss Gadea

Velkiss Gadea
Fauna & Flora International, Nicaragua.

Bióloga con orientación en Recursos Acuáticos

About

18
Publications
6,401
Reads
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301
Citations
Citations since 2017
12 Research Items
278 Citations
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20172018201920202021202220230204060

Publications

Publications (18)
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...
Technical Report
Full-text available
In July 2020, the Conservation Planning Specialist Group (CPSG) of the International Union for Conservation of Nature (IUCN) Species Survival Commission (SSC) was enlisted by the international non-profit sea turtle conservation organization, Upwell, to design and facilitate a two-step decision making process to inform conservation efforts for the C...
Article
Full-text available
Failure to improve the conservation status of endangered species is often related to inadequate allocation of conservation resources to highest priority issues. Eastern Pacific (EP) leatherbacks are perhaps the most endangered sea turtle population in the world, and continue on a path to regional extinction. To provide coherent, regional conservati...
Article
Full-text available
The East Pacific (EP) leatherback population is listed by the IUCN Red List of Threatened Species as Critically Endangered. Despite conservation efforts, mainly focused on nesting beaches, its population has declined by over 90% since the 1980s. A major current threat is fisheries bycatch, which has been primarily documented in small-scale gillnets...
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
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
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...
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...

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