Investigation of spatial parameters of the ecological niche of common chaffinch (Fringilla coelebs) using remote sensing database

O. Zhukov1, O. Ponomarenko1, A. Zimaroeva2

1 Dnipropetrovsk National University Oles Honchar
10, Naukova St., Bldg. Number 17, Dnipropetrovsk 49000, Ukraine
2 Zhytomyr National Agroecological University
7, Stary Blvd., Zhytomyr 10008, Ukraine

Ecological-Niche Factor Analysis of finch showed that this species has a high marginality in relation to such ecogeographical variables as: the normalized difference vegetation index, the green NDVI, the altitude, the diffuse insolation, the activity of chlorophyll, the index of wind influence. This species is highly specialized in relation to various vegetation indices. Based on the type of habitat preference map, we found that Fringilla coelebs doesn’t implement all its potential pro-spatial niche In the work a new approach to the study of the ecological niche of the species by using the different levels of scale was first proposed. Considering the ecological niche of common chaffinch on different levels of scale, we noticed certain features: first, a list of factors that influence the distribution of common chaffinch significantly altered by changing the scale, secondly, the finer details of the relief come to the forefront when the scale down; third, specialization of finch does not change with zooming.

Keywords: Common chaffinch, Ecological-Niche Factor Analysis, ecogeographical variables, marginality, specialization

Full text (PDF)