Subsistence Hunting for Turtles in Northwestern Ecuador

Carr, John L.; Almendáriz, Ana; Simmons, John E.; Nielsen, Martin L.

doi:10.15446/abc.v19n3.42886

Cited by 4 publications

(5 citation statements)

References 19 publications

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“…Although capture rates were higher during the dry season in both sampled river basins, the difference between seasons was not significant. Higher capture rates during the dry season were observed in a population of R. p. punctularia from Algodoal-Maiandeua Island, Pará (Wariss et al 2012), and in a population of R. melanosterna (Gray, 1861) in the extreme northwestern region of Ecuador, near Colombia (Carr et al 2014). Captures rates of other Amazonian freshwater turtles that live in large lakes, rivers, and seasonally flooded habitats, e.g., Podocnemis sextuberculata Cornalia, 1849 and P. unifilis Troschel, 1848, are also usually higher in the dry season, due to the aggregation of individuals in the remaining waterbodies.…”

Section: Discussionmentioning

confidence: 95%

Ecological aspects of Rhinoclemmys punctularia punctularia (Testudines: Geoemydidae) in two localities in northern Brazil

et al. 2022

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Rhinoclemmys punctularia punctularia is the only turtle of the family Geoemydidae with part of its range in Brazil. The species is semi-aquatic and widely distributed across the Amazon basin but is still poorly studied. We evaluated aspects of the population structure, habitat use, seasonal activity, and diet of the species during one year, from the beginning of the rainy season to the end of the dry season, in two headwater localities in the Tocantins and Tapajós river basins, in the state of Pará, Brazil. We captured 45 individuals, 14 in the Tocantins basin and 31 in the Tapajós basin. The size-class frequency distributions of captured individuals did not differ between the two samples. The turtles were most frequently captured in first-order streams, followed by lentic (third-order dammed streams) and second-order streams. The capture rate did not vary significantly between sampling periods (start and peak of the rainy season; start and end of the dry season). The trapping effort to capture a single individual was much higher in the Tapajós basin (1,215 trap-hours) than in the Tocantins basin (136 trap-hours). Overall, the low capture rates confirm the secretive nature of the species in Amazonia and its apparent rarity. The individuals analyzed in this study consumed mainly plants.

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Section: Discussionmentioning

confidence: 95%

Ecological aspects of Rhinoclemmys punctularia punctularia (Testudines: Geoemydidae) in two localities in northern Brazil

et al. 2022

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“…Using R. annulata as pets and an occasional food source by local Afro-Hispanic and indigenous populations was also reported for Province in Ecuador (Altamirano-Benavides et al 2010;Ortega-Andrade et al 2010b). Within Esmeraldas, Carr et al (2014) reported on capture techniques and uses of R. annulata and the entire turtle fauna by rural Afro-Hispanic and indigenous communities in the Río Cayapas-Santiago basin. Two additional threats identified with respect to Rhinoclemmys species in general in the department of Valle del Cauca, Colombia, were the pet trade and the use of shells to make handcrafted ornamental objects (Corredor et al 2006(Corredor et al , 2007.…”

Section: 9mentioning

confidence: 99%

Rhinoclemmys annulata (Gray 1860) – Brown Wood Turtle, Montañero, Bambera

Carr,

Moll,

Giraldo

et al. 2023

Chelonian Research Monographs

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is an international peer-reviewed scientific publication series for monograph-length manuscripts, collected proceedings of symposia, edited compilations, and other longer research documents focused on turtles and tortoises. The series accepts contributions dealing with any aspects of chelonian research, with a preference for conservation or biology of freshwater and terrestrial turtles and tortoises. Bibliographic and other reference materials are also of potential interest.

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“…In Mahanadi basin of India, floating hooks, harpoons and baits are used (Krishnakumar et al 2009). In northwestern Ecuador and Chittagong Hill Tracts in Bangladesh, pitfall traps are employed (Carr et al 2014;Rahman et al 2015). Harpoons are used in Bangladesh (Rashid & Khan 2000) and Brazil (Fachín-Terán et al 2004), while spear rods are utilized in Pakistan (Noureen et al 2012).…”

Section: Introductionmentioning

confidence: 99%

“…Baited fishing lines are employed in Indonesia (Shepherd 2000) and physical diving is a common practice in Bangladesh (Rashid & Khan 2000) and the Amazon basin (Fachín-Terán et al 2004). Direct Hand Capture (DHC) is also a popular method used during rainy and winter seasons (Fachín-Terán et al 2004;Carr et al 2014). Other methods used in various parts of the world include hunting dogs (Rahman et al 2015), wooden pole & jatica (Fachín-Terán et al 2004), muddling (Rashid & Khan 2000), pool cleaning, turtle basket, probing (Carr et al 2014), and electric current (Shepherd 2000).…”

Section: Introductionmentioning

confidence: 99%

“…Direct Hand Capture (DHC) is also a popular method used during rainy and winter seasons (Fachín-Terán et al 2004;Carr et al 2014). Other methods used in various parts of the world include hunting dogs (Rahman et al 2015), wooden pole & jatica (Fachín-Terán et al 2004), muddling (Rashid & Khan 2000), pool cleaning, turtle basket, probing (Carr et al 2014), and electric current (Shepherd 2000). The biomass of wildlife populations has significantly decreased in areas where hunting is prevalent, leading to changes in the age distribution of species (Peres 2000).…”

Section: Introductionmentioning

confidence: 99%

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Traditional harvesting practices employed for freshwater turtles by the indigenous communities along Shilabati River, West Bengal, India

Prasun Mandal,

Jana,

Mallick

et al. 2024

J. Threat. Taxa

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A survey was conducted through semi-structured interviews, involving 38 local fishermen of three villages in the Gangani region along Shilabati River in West Bengal, India. The survey revealed that three threatened species of turtles—Nilssonia gangetica, Nilssonia hurum, and Lissemys punctata—were clandestinely harvested by the riverine communities. These species are also being documented for the first time from this area, popularly called Jangal Mahal. N. gangetica was the most commonly harvested species, followed by L. punctata and N. hurum, mostly for consumption, local sale, and as traditional medicine. The most frequently used method for capturing turtles was the ‘multiple hook bait’; exclusively practiced by adult males of the fisher community, usually belonging to the age group 21–40 years, between February and June. The study indicated that the respondents knew that harvesting of turtles was clandestine, yet they continued to do so as their traditional right, as they believed minor catches will not harm local turtle populations. It is assumed that N. hurum, which is an endangered species, is already rare and on the brink of local extinction, whereas other two species are coping with the harvest in the specialized riparian habitat and adjacent ponds. In this study the harvesting of threatened turtle species was ardently associated with the socio-cultural customs rather than an economic compulsion but to check rising threat to these species, the uncontrolled harvest needs to be addressed urgently as a high priority conservation issue. This requires further explorations on the ecology of turtles, initiatives by enforcement agencies, and utilizing the inherent knowledge of indigenous people.

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Subsistence Hunting for Turtles in Northwestern Ecuador

Cited by 4 publications

References 19 publications

Ecological aspects of Rhinoclemmys punctularia punctularia (Testudines: Geoemydidae) in two localities in northern Brazil

Ecological aspects of Rhinoclemmys punctularia punctularia (Testudines: Geoemydidae) in two localities in northern Brazil

Rhinoclemmys annulata (Gray 1860) – Brown Wood Turtle, Montañero, Bambera

Traditional harvesting practices employed for freshwater turtles by the indigenous communities along Shilabati River, West Bengal, India

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