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Journal articles on the topic 'Rupununi (Guyana)'

Author: Grafiati

Published: 4 June 2021

Last updated: 14 February 2022

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1

Taylor, Peter, Fernando Li, Ashley Holland, Michael Martin, and Adam E. Rosenblatt. "Growth rates of black caiman (Melanosuchus niger) in the Rupununi region of Guyana." Amphibia-Reptilia 37, no. 1 (2016): 9–14. http://dx.doi.org/10.1163/15685381-00003024.

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We conducted a study of black caiman (Melanosuchus niger) growth rates using data from a long-term mark-recapture study carried out in the Rupununi region of Guyana between 2005 and 2015. In contrast to previous studies, growth rates of black caiman declined with increasing size and this decline occurred more rapidly for females. Size-at-age models predicted that males and females reach asymptotic sizes of 178.2-189.0 cm SVL and 140.1-143.4 cm SVL, respectively. Our results suggest that growth rates of black caiman in the Rupununi region follow the same general patterns as for other crocodilians, and that disparities with previous black caiman studies may be largely related to density-dependent factors, among other possibilities. However, future studies that include large black caiman of known ages are needed to validate our findings.

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2

Pickles, Robert Stuart Alexander, Niall Patrick McCann, and Ashley Peregrine Holland. "Mammalian and avian diversity of the Rewa Head, Rupununi, Southern Guyana." Biota Neotropica 11, no. 3 (September 2011): 237–51. http://dx.doi.org/10.1590/s1676-06032011000300021.

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We report the results of a short expedition to the remote headwaters of the River Rewa, a tributary of the River Essequibo in the Rupununi, Southern Guyana. We used a combination of camera trapping, mist netting and spot count surveys to document the mammalian and avian diversity found in the region. We recorded a total of 33 mammal species including all 8 of Guyana's monkey species as well as threatened species such as lowland tapir (Tapirus terrestris), giant otter (Pteronura brasiliensis) and bush dog (Speothos venaticus). We recorded a minimum population size of 35 giant otters in five packs along the 95 km of river surveyed. In total we observed 193 bird species from 47 families. With the inclusion of Smithsonian Institution data from 2006, the bird species list for the Rewa Head rises to 250 from 54 families. These include 10 Guiana Shield endemics and two species recorded as rare throughout their ranges: the harpy eagle (Harpia harpyja) and crested eagle (Morphnus guianensis).

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3

Funnell, D. C., and P. E. Bynoe. "Ecotourism and Institutional Structures: The Case of North Rupununi, Guyana." Journal of Ecotourism 6, no. 3 (December 2007): 163–83. http://dx.doi.org/10.2167/joe155.0.

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4

MacDonald, Katherine. "Impacts of the Cattle Industry and Road Development in the Rupununi, Guyana." Journal of Latin American Geography 13, no. 3 (2014): 159–82. http://dx.doi.org/10.1353/lag.2014.0056.

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5

Cummings, Anthony R., Jane M. Read, and Jose M. V. Fragoso. "Utilizing Amerindian Hunters' Descriptions to Guide the Production of a Vegetation Map." International Journal of Applied Geospatial Research 6, no. 1 (January 2015): 118–42. http://dx.doi.org/10.4018/ijagr.2015010107.

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Describing vegetation types is critical for managing natural resources and assessing ecosystem risk. Vegetation maps are historically produced by “Western experts,” often ignoring local-level groups critical to resource management. Indigenous hunters, as resource managers, have strong connections to their landscapes and their descriptions of vegetation within their homelands can be useful in the map-making process. This project examined the usefulness of vegetation descriptions from Rupununi, Southern Guyana Indigenous hunters in the map-making process and how their descriptions were influenced by biophysical environmental attributes. A Landsat TM and ASTER DEM merged imagery of the Rupununi was classified using Indigenous hunters' vegetation descriptions to train the classification and assess accuracy. Based on the hunters' vegetation descriptions an eleven-class map was produced that covered the main vegetation types they described. Whereas “expert” maps rely on organized forest inventory data, Indigenous hunters' vegetation classifications were influenced by their interactions with the biophysical environment. The final map shows that Indigenous hunters may be important partners in the map-making process and play key roles in tropical forest management decision-making processes.

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6

Mistry, Jayalaxshmi, Andrea Berardi, and Matthew Simpson. "Birds as indicators of wetland status and change in the North Rupununi, Guyana." Biodiversity and Conservation 17, no. 10 (April 16, 2008): 2383–409. http://dx.doi.org/10.1007/s10531-008-9388-2.

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7

Mulder, Monique Borgerhoff, Ryan Schacht, Tim Caro, Jacqueline Schacht, and Barnabas Caro. "Knowledge and attitudes of children of the Rupununi: Implications for conservation in Guyana." Biological Conservation 142, no. 4 (April 2009): 879–87. http://dx.doi.org/10.1016/j.biocon.2008.12.021.

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8

O'Shea, Brian J., Asaph Wilson, and Jonathan K. Wrights. "Additions to the avifauna of two localities in the southern Rupununi region, Guyana." Check List 13, no. 4 (July 21, 2017): 113–20. http://dx.doi.org/10.15560/13.4.113.

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9

Bowers, Jared. "Developing sustainable tourism through ecomuseology: a case study in the Rupununi region of Guyana." Journal of Sustainable Tourism 24, no. 5 (October 21, 2015): 758–82. http://dx.doi.org/10.1080/09669582.2015.1085867.

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10

Watson, L. Cynthia, Jorge L. Hurtado-Gonzales, Christopher J. Chin, and Juliana Persaud. "Survey of Methylmercury Exposures and Risk Factors Among Indigenous Communities in Guyana, South America." Journal of Health and Pollution 10, no. 26 (June 2020): 200604. http://dx.doi.org/10.5696/2156-9614-10.26.200604.

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Background. Gold mining activities in forested areas across Guyana have been a common practice for more than a century. The intensification of artisanal and small-scale gold mining (ASGM) in recent decades caused by global market demand is contributing to the mobilization of mercury into aquatic systems. Indigenous populations who consume high levels of locally sourced fish are greater at risk for methylmercury poisoning from ingestion of contaminated fish. Objectives. The aim of the present study was to investigate the levels of mercury contamination and identify the risk factors associated with hair mercury levels in four indigenous communities in Guyana. Methods. Concentrations of total mercury were measured in hair samples from 99 participants from four indigenous communities in the south Rupununi region in Guyana. The findings of this study were compared with those of previous studies to assess the prevalence of mercury contamination in indigenous communities across Guyana. Results. Hair mercury levels were found to be above the World Health Organization (WHO) reference value for residents who live close to ASGM activities and who consume high quantities of locally sourced fish. Our results are not only consistent with those obtained in previous studies, but also evidence that mercury poisoning has become a generalized problem for indigenous communities in Guyana. Conclusions. Fish is the main source of protein for many riverine communities and consumption of mercury-contaminated fish poses a serious health hazard for these vulnerable populations. The situation is especially dire for community members of Parabara with 100% of participants showing elevated (>15 μg*g−1) hair mercury levels. It is therefore crucial that Parabara residents be evaluated by relevant health agencies for clinical symptoms related to mercury toxicity. Participant Consent. Obtained Ethics Approval. The study protocol was approved by the Institutional Review Board of the Ministry of Public Health, Guyana. Competing Interests. The authors declare no competing financial interests.

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11

McTurk, Diane, and Lucy Spelman. "Hand-rearing and rehabilitation of orphaned wild giant otters,Pteronura brasiliensis, on the Rupununi river, Guyana, South America." Zoo Biology 24, no. 2 (2005): 153–67. http://dx.doi.org/10.1002/zoo.20042.

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12

Mistry, Jayalaxshmi, Matthews Simpson, Andrea Berardi, and Yung Sandy. "Exploring the links between natural resource use and biophysical status in the waterways of the North Rupununi, Guyana." Journal of Environmental Management 72, no. 3 (September 2004): 117–31. http://dx.doi.org/10.1016/j.jenvman.2004.03.010.

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13

Mistry, Jayalaxshmi, and Andrea Berardi. "The challenges and opportunities of participatory video in geographical research: exploring collaboration with indigenous communities in the North Rupununi, Guyana." Area 44, no. 1 (November 8, 2011): 110–16. http://dx.doi.org/10.1111/j.1475-4762.2011.01064.x.

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14

Lim, Burton, and Thomas Lee. "Community Ecology and Phylogeography of Bats in the Guianan Savannas of Northern South America." Diversity 10, no. 4 (December 13, 2018): 129. http://dx.doi.org/10.3390/d10040129.

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The Guiana Shield of South America contains savannas within one of the largest contiguous expanses of pristine tropical rainforest remaining in the world, but biodiversity in the grasslands is poorly known. In lowland Neotropical areas, bats typically comprise the most species-rich group of mammals. We compare the bat faunal community and phylogeography in the savanna habitats of the Llanos in Venezuela, Rupununi in Guyana, and Sipaliwini in Suriname. Measures of species diversity and relative abundance from standardized field survey methodology enable comparison among these three grassland regions. Genetic variation is summarized by DNA barcoding to examine biogeographic patterns across larger forest–savanna landscapes. A total of 76 species of bats is documented, of which 18 species are reported from all 3 savannas and 30 species are reported from only 1 of the savannas. Endemism is low with 5 taxa restricted primarily to dry, open habitats. However, 7 other species have divergent phylogeographic lineages associated with savanna populations. Although bat species are usually distributed over wide regions of the Neotropics, the habitat mosaics of the Guiana Shield have different faunal assemblages. Going back into the Miocene, the contractions and expansions of forest–savanna paleoenvironments over time have contributed to speciation and the current high levels of biodiversity in South America.

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15

Hallett, Matthew T., Gerard Pereira, Oswin Ambrose, Diane McTurk, and Brittany A. Bankovich. "Projecting the theoretical niche of a recently re-discovered population of feral Asian water buffalo (Bubalus bubalis) in the North Rupununi wetlands, Guyana." Neotropical Biodiversity 7, no. 1 (January 1, 2021): 405–14. http://dx.doi.org/10.1080/23766808.2021.1967661.

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16

McAllister, Chris T., Charles R. Bursey, and Paul S. Freed. "Helminth Parasites of Herpetofauna from the Rupunini District, Southwestern Guyana." Comparative Parasitology 77, no. 2 (July 2010): 184–201. http://dx.doi.org/10.1654/4420.1.

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17

Pereira, Mariana Cunha. "The memory of brazilians and guyaneses about the rupununi uprising in the frontier Brazil – Guyana." Textos e Debates, no. 28 (April 15, 2016). http://dx.doi.org/10.18227/2217-1448ted.v0i28.3397.

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In this text, I re-elaborate the narratives and oral speech of some of the social subjects (Guyanese Negroes, Macushi Indigenous and Wapishana, regional Brazilians) about the Rupununi Uprising. The narratives and oral speech of the interviewees on the subject are partially constituted by the fieldwork that originated the Ethnography built as a doctorate thesis in the frontier Brazil-Guyana. The intention is to contextualize, by means of these narratives, the realms of memory that make up the political landscape of the 60s in these two countries, since the political event called Rupununi Uprising, characterized as one of the most polemic period in Guyana’s history. In Brazil, milestones of this decade were the military dictatorship and the leftist movements.In Guyana it is a moment of the process of independence and of secession fights.

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18

Berardi, Andrea, Céline Tschirhart, Jayalaxshmi Mistry, Elisa Bignante, Lakeram Haynes, Grace Albert, Ryan Benjamin, Rebecca Xavier, and Deirdre Jafferally. "From resilience to viability: a case study of indigenous communities of the North Rupununi, Guyana." EchoGéo, no. 24 (June 10, 2013). http://dx.doi.org/10.4000/echogeo.13411.

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19

MISTRY, JAYALAXSHMI, ANDREA BERARDI, MATTHEW SIMPSON, ODACY DAVIS, and LAKERAM HAYNES. "Using a systems viability approach to evaluate integrated conservation and development projects: assessing the impact of the North Rupununi Adaptive Management Process, Guyana." Geographical Journal, April 2010. http://dx.doi.org/10.1111/j.1475-4959.2010.00357.x.

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