Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 24 references without a DOI — listed, not checked
no DOI — not checkedAAM- PHIL Natural Resources Exploration and Development Corporation. (2013). Dinagat Chromite-Nickel Project Expansion (Parcel 2B). Environmental Performance Report and Management Program (submitted to Environmental Management Bureau Central Office). Unit 802 Eco Plaza Chino Roces Avenue Extension, Makati City. 420 pp.
no DOI — not checkedAlcala, A. C. (1986). Guide to Philippine Flora and Fauna, Vol. X, Amphibians and Reptiles. Natural ResourceManagement Center and Ministry of Natural Resources and University of the Philippines, Quezon City, Philippines. 195 pp.
no DOI — not checkedAlcala, A. C. and Brown, W. C. (1998). Philippine Amphibians: an Illustrated Field Guide. Bookmark Press, Makati City, Philippines. 116 pp.
no DOI — not checkedBibby C, Jones M and Marsden S (1998). Expedition Field Techniques: Bird Surveys. Royal Geographical Society, London.
no DOI — not checkedCaballero, R. B. Technical Assistant, PENRO-Dinagat Island, Dinagat Island, Caraga Region. pers comm.
no DOI — not checkedCatibog - Sinha, C. and Heaney, L. R. (2006). Philippine Biodiversity: Principles and Practice. Quezon City, Philippines. Haribon Foundation. 495 pp.
no DOI — not checkedDe Alban, J., Altamirano, R. A., Batangan, E., Gaerlan, F., Gonzales, M. L., Hilario, M. V. and Narvades, S. (2004). Mts. Kambinliw and Redondo, Loreto, Dinagat Islands, Surigao del Norte: Integrating Forest Conservation with Local Governance: Technical Report. Haribon Foundation for the Conservation of Natural Resources.
no DOI — not checkedForest Management Bureau, (2013). The Philippine Forestry Statistics 2013. Philippines: Department of Environment and Natural Resources. Available from: http://forestry.denr.gov.ph/statbook.htm
no DOI — not checkedHammer, O., Harper, D. A. T. and Ryan, P. D. (2001). Paleontological Statistics (PAST) software v2.10 package for education and data analysis. https://palaeo- electronica.org/2001_1/past/issue1_01.htm. Accessed on 31 December 2020.
no DOI — not checkedHeaney, L. R. and Rabor, D. S. (1982). Mammals of Dinagat and Siargao Islands, Philippines. Occasional Papers of the Museum of Zoology. University of Michigan. No. 699.
no DOI — not checkedHeaney, L. R., Balete, D. S., Dolar, M. L., Alcala, A. C., Dans, A. T. L., Gonzales, P. C., Ingle, N. R., Lepiten, M. V., Oliver, W. L. R., Ong, P. S., Rickeart, E. A., Tabaranza, B. R. and Utzurrum, R. C. B. (1998). A synopsis of the mammalian fauna of the Philippine Islands. Fieldian Zoology, New Series, 88: 1-61.
no DOI — not checkedIngle, N. R. and Heaney, L. R. (1992). A key to the bats of the Philippine Islands. Field Museum of Natural History, 1440: 44 pp.
no DOI — not checkedIUCN. (2021). The IUCN Red List of Threatened Species. Version 2020-1. https://www.iucnredlist.org. Accessed 17February 2021.
no DOI — not checkedKennedy, R. S., Gonzales, P. C., Dickinson, E. C., Miranda Jr., H. C. and Fisher, T. H. (2000). A Guide to the Birds of the Philippines. Oxford University Press. 369 pp.
no DOI — not checkedLasco, R. D., Visco, R. G. and Pulhin, J. M. (2001). Secondary forests in the Philippines: formation and transformation in the 20th century. Journal of Tropical Forest Science, 13 (4): 652-670.
no DOI — not checkedLillo, E. P., and Fernando, E. S. (2017). Composition and Diversity of Mangrove Species on Dinagat Island, Philippines. Journal of Wetlands Biodiversity, 7: 91- 108.
no DOI — not checkedMallari, N. A. D., Tabaranza, B. R. and Crosby M. J., (2001). Key Conservation Sites in the Philippines: a Haribon Foundation and Birdlife International Directory of Important Bird Areas. Department of Environment and Natural Resources and Bookmark Inc. Makati City: Bookmark, 485 pp.
no DOI — not checkedMiranda, M., Burris, P., Bingcang, J. F., Shearman, P., Briones, J. O., La Viña, A. and Menard, S. (2003). Mining and Critical Ecosystems: Mapping the Risks. World Resource Institute: Washington, D.C. 72 pp.
no DOI — not checkedNakagawa, M. and Franco, H. E. A. (1995). PGE abundance in ophiolitic rocks and soil from Samar and Dinagat Islands, Philippines. Journal of Asian Earth Sciences, GEOSEA 95 Pro Sp.1.
no DOI — not checkedOdum, E. P. and Barrett, G. W. (1971) Fundamentals of Ecology. W.B. Saunders Co., Philadelphia. 574 pp.
no DOI — not checkedRoss, C. A. and Lazell, J. (1990). Amphibians and reptiles of Dinagat Siargao Islands, Philippines. Philippine Journal of Science, 119 (3): 257- 286.
no DOI — not checkedSanguila, M. B., Cobb, K. A., Siler, C. D., Diesmos, A. C. and Brown, R. M. (2016). The amphibians and reptiles of Mindanao Island, southern Philippines, II: the herpetofauna of northeast Mindanao and adjacent islands.Zookeys, 624: 1- 132.
no DOI — not checkedSodhi, N. S. , Posa, M. R. C., Peh, K. S. H., Koh, L. P., Soh, M. C., Lee, T.M. and Brook, B. W. (2012). Land use changes imperil south-east Asian biodiversity: land use intensification effects on agriculture, biodiversity and ecological processes. CRC Press, Boca Raton, Florida, USA.
no DOI — not checkedVillanueva, R. J. T. (2010). Adult odonata community in Dinagat Islands, the Philippines: impact of chromium ore mining on density and species composition. Odonatologica, 39 (2): 133-140.
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