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Forth G. Surviving Dragons: Ethnographic Reports of Komodo Monitors (Varanus komodoensis) in Northeastern Flores. J ETHNOBIOL 2022. [DOI: 10.2993/0278-0771-42.4.417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Gregory Forth
- Professor Emeritus, Department of Anthropology, University of Alberta, Edmonton, Alberta, Canada T6G 2H4
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Ungulates and Their Impact on Reptiles: A Review of Interspecific Relationships. DIVERSITY 2022. [DOI: 10.3390/d15010028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Several ungulate species are showing increasing population patterns within their geographical distribution ranges, leading to constant interactions with other animal species. Varying densities and activities of different ungulates may result in diverse impacts on other coexisting species groups, including large numbers of threatened species, such as reptiles. In this study, we performed an analysis of the available literature to investigate the impacts of ungulates on reptiles. We aimed to reveal the diversity of: (1) the geographical and environmental distribution of related investigations; (2) the ungulate and reptile species involved; and (3) the characteristics of interactions (direct or indirect, positive or negative) from 69 publications. Our results show that the most papers were reported from the Americas (42%) and Australia (28%). The proportions of studies were balanced for wild ungulates (53%) and livestock (47%). Wild boar (Sus scrofa) was found to be the most problematic species on reptiles whereas reptiles which suffered the harshest impacts were Squamates (i.e., lizards, and snakes). Ungulate activities (e.g., digging by wild boar) may directly harm reptiles (consuming or killing them) or indirectly affect them by modifying their habitats or destroying their hideouts. Some preferential effects were also noted (e.g., by moderate livestock grazing or when wild ungulates are prey for large reptiles). Published livestock impacts were mainly indirect and mostly negatively linked to overgrazing. We conclude that it is important to manage and monitor the densities of ungulates to minimize their negative impacts on reptile species, especially in case of wild boar and grazing livestock, but also to maintain their moderate beneficial effects (e.g., as prey basis).
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Carnosaurs as Apex Scavengers: Agent-based simulations reveal possible vulture analogues in late Jurassic Dinosaurs. Ecol Modell 2021. [DOI: 10.1016/j.ecolmodel.2021.109706] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Pettit L, Somaweera R, Kaiser S, Ward-Fear G, Shine R. The Impact of Invasive Toads (Bufonidae) on Monitor Lizards (Varanidae): An Overview and Prospectus. THE QUARTERLY REVIEW OF BIOLOGY 2021. [DOI: 10.1086/714483] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Fatihah-Syafiq M, Badli-Sham BH, Fahmi-Ahmad M, Aqmal-Naser M, Rizal SA, Azmi MSA, Grismer LL, Ahmad AB. Checklist of herpetofauna in the severely degraded ecosystem of Bidong Island, Peninsular Malaysia, South China Sea. Zookeys 2020; 985:143-162. [PMID: 33223878 PMCID: PMC7661490 DOI: 10.3897/zookeys.985.54737] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 07/13/2020] [Indexed: 11/23/2022] Open
Abstract
A herpetofaunal inventory was conducted on Bidong Island, Terengganu, Peninsular Malaysia. It incorporates data from a recent herpetological survey conducted from 1 to 3 April 2019 with reptile records from previous publications. Specimens were collected with drift-fenced pitfall traps and taxa were recorded with visual encounter surveys (VES). In total, 18 species of reptiles and amphibians were recorded, including three species of frogs, 12 species of lizards, and three species of snakes. Six species from the present survey are new records for the island.
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Affiliation(s)
- Muhamad Fatihah-Syafiq
- Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia Universiti Malaysia Terengganu Kuala Nerus Malaysia
| | - Baizul Hafsyam Badli-Sham
- Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia Universiti Malaysia Terengganu Kuala Nerus Malaysia
| | - Muhammad Fahmi-Ahmad
- Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia Universiti Malaysia Terengganu Kuala Nerus Malaysia
| | - Mohamad Aqmal-Naser
- Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia Universiti Malaysia Terengganu Kuala Nerus Malaysia
| | - Syed Ahmad Rizal
- Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia Universiti Malaysia Terengganu Kuala Nerus Malaysia
| | - Mohd Shahrizan Azrul Azmi
- Centre of Research and Field Service, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia La Sierra University Riverside United States of America
| | - Larry L Grismer
- Herpetology Laboratory, Department of Biology, La Sierra University, Riverside, CA, USA Universiti Malaysia Terengganu Kuala Nerus Malaysia
| | - Amirrudin B Ahmad
- Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia Universiti Malaysia Terengganu Kuala Nerus Malaysia.,Institute of Tropical Biodiversity and Sustainable Development, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia La Sierra University Riverside United States of America
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