ISSN 1067-4136, Russian Journal of Ecology, 2017, Vol. 48, No. 4, pp. 395–398. © Pleiades Publishing, Ltd., 2017. Original Russian Text © V.V. Andrianov, L.R. Lukin, 2017, published in Ekologiya, 2017, No. 4, pp. 315–318. SHORT COMMUNICATIONS An Attempt at Numerical Formalization of the Results of Observations on the Southern Local Herd of White Sea Beluga Whales (Delphinapterus leucas) V. V. Andrianov* and L. R. Lukin** Federal Research Center for Integrated Studies of the Arctic, Russian Academy of Sciences, Arkhangelsk, 163000 Russia *e-mail: email@example.com **e-mail: firstname.lastname@example.org Received April 14, 2016 Keywords: White Sea, local beluga whale herd, numerical formalization, petroleum pollution DOI: 10.1134/S10674136170 40038 Mammals in many cases are at the top of trophic 8 m a.s.l., 30–50 m from the water edge (Fig. 1). Con- pyramids and play a stabilizing role in ecosystems. tinuous observations with a BPTs5 8 × 30 M binocu- This provides the possibility of using certain mammal lars and a telescope (30 × 50) were performed during species as indicators. All pinnipeds and cetaceans show the daytime period to record the number of whales, fidelity to their traditional breeding areas, and the their body color, the time they remained within the maintenance of spatial
Russian Journal of Ecology – Springer Journals
Published: Jul 14, 2017
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