Van der Ploeg, J., Masipiqueña, A.B. and Bernardo, E.C. (2003) The Sierra Madre Mountain Range: Global Relevance, Local Realities. 4th Regional Conference on Environment and Development.
https://openaccess.leidenuniv.nl/bitstream/handle/1887/13052/vanderPloegetal2003.pdf?sequence=1

has been cited by the following article:

• TITLE: Diversity Assessment of Tree Species in Sitio Dicasalarin, Barangay Zabali, Baler, Aurora, Philippines

  AUTHORS: Ericson E. Coracero, Pastor L. Malabrigo Jr.

  KEYWORDS: Sitio Dicasalarin, Tree Diversity, Philippine Endemics, Threatened Species, Sierra Madre Mountain Range, Aurora Endemics

  JOURNAL NAME: Open Journal of Ecology, Vol.10 No.11, November 11, 2020

  ABSTRACT: This paper provides the diversity assessment of the tree species in Sitio Dicasalarin, Barangay Zabali, Baler, Aurora including the endemism and ecological status. A total of 2239 individuals from 139 morphospecies, 87 genera and 46 families were recorded. A total of 48 Philippine endemic species and 2 Aurora Endemic species were found and at least 29 threatened species were listed either in the IUCN Red List of Threatened Species and Philippine List of Threatened Species. Results of the tree diversity showed that the area is highly diverse being a well-protected and well-managed area.