Baldock J.W. Geología del Ecuador. Boletín de explicación del mapa geolȯgico de la República del Ecuador, Ministerio de Recursos Naturales y Energéticos, Dirección General de Geología y Minas, Quito; 1982.
Bogaert J., Impens I. (1998) An improvement on area-perimeter ratios for interior-edge evaluation of habitats. Proceedings of the 10th Portuguese Conference on Pattern Recognition , F. Muge, R.C. Pinto and M. Piedade (eds.), RECPAD'98. APRP-IST, Lisbon; 55-61.
Bogaert J., Van Hecke P., Moermans R., Impens I. (1999) Twist number statistics as an additional measure of habitat perimeter irregularity. Environmental and Ecological Statistics 6:275-290.
Bribiesca E. (1997) Measuring 2-D shape compactness using the contact perimeter. Computers and Mathematics with Applications 33:1-9.
Brokaw N.V.L. (1982) The definition of treefall gap and its effect on measures of forest dynamics. Biotropica 14:158-160.
CID-100 Digital Plant Canopy Imager. Instruction manual, Vancouver; 1997.
DeMers M.N. Fundamentais of geographic information systems, John Wiley & Sons, New York; 1997.
Denslow J.S. (1987) Tropical rainforest gaps and tree species diversity. Annual Review of Ecology and Systematics 18:431-451.
Farina A. Principles and methods in landscape ecology, Chapman & Hall, London; 1998.
Forman R.T.T. Land mosaics. The ecology of landscapes and regions, Cambridge University Press, Cambridge (U.K.); 1997.
Forman R.T.T., Godron M. Landscape ecology, John Wiley & Sons, New York; 1986.
Franklin J.F., Forman R.T.T. (1987) Creating landscape patterns by forest cutting: Ecological consequences and principles. Landscape Ecology 1:5-18.
Grossman S.I. Calculus, Academic Press, New York; 1977.
Hartshorn G.S. (1990) An overview of neotropical forest dynamics., A.H. Gentry (ed.), Four neotropical rainforests. Yale University Press, New Haven and London; 585-599.
Hewitt E., Stromberg K. Real and abstract analysis, Springer-Verlag, Berlin; 1969.
Hubbell S.P., Foster R.B., O'Brien S.T., Harms K.E., Condit R., Wechsler B., Wright S.J., Loo De Lao S. (1999) Light-gap disturbances, recruitment limitation, and tree diversity in a neotropical forest. Science 283:554-557.
Kivistö L., Kuusinen M. (2000) Edge effects on the epiphytic lichen flora of Picea Abies in middle boreal of Finland. The Lichenologist 32:387-398.
Martínez-Ramos M., Alvarez-Buylla E., Sarukhán J., Piñero D. (1988) Treefall age determination and gap dynamics in a tropical forest. Journal of Ecology 76:700-716.
Plotnick R.E., Gardner R.H., O'Neill R.V. (1993) Lacunarity indices as measures of landscape texture. Landscape Ecology 8:201-211.
Poorter L., Jans L., Bongers F., Van Rompaey R.S.A.R. (1994) Spatial distribution of gaps along three catenas in the moist forest of Taï National Park, Ivory Coast. Journal of Tropical Ecology 10:335-398.
Salvador-Van Eysenrode D., Bogaert J., Impens I. (1998) Horizontal canopy gap occlusion at the Tiputini Biodiversity Station, Amazonian Ecuador. Proceedings of the Second International Canopy Conference , Forest Canopies: Global Perspectives. The Marie Selby Botanical Gardens, Sarasota; 60-61.
Salvador-Van Eysenrode D., Bogaert J., Van Hecke P., Impens I. (1998) Influence of treefall orientation on canopy gap shape in an Ecuadorian rainforest. Journal of Tropical Ecology 14:865-869.
Ter Steege H. (1993) Hemiphot: A programme to analyze vegetation indices, light and light quality from hemispherical photographs. Tropenbos Documents 3, The Tropenbos Foundation, Wageningen; .
Tilman D. (1999) Diversity by default. Science 283:495-496.
Van der Meer P., Bongers F. (1996) Formation and closure of canopy gaps in the rain forest at Nouragues, French Guiana. Vegetatio 126:167-179.
Whitmore T.C., Brown N.D., Swaine M.D., Kennedy D., Godwin-Bailey C.I., Gong W.-K. (1993) Use of hemispherical photographs in forest ecology: Measurement of gap size and radiation totals in a Bornean tropical rain forest. Journal of Tropical Ecology 9:131-151.
Zegers D.A., May S., Goodrich L.J. (2000) Identification of nest predators at farm/forest edge and forest interior sites. Journal of Field Ornithology 71:201-216.
