Rozhenko,
M. 2021. The current state of the golden jackal population
in the Lower Dnister National Nature Park. Theriologia
Ukrainica, 21: 109–113.
title |
The current
state of the golden jackal population in the Lower
Dnister National Nature Park |
author(s) |
Mykola Rozhenko (http://orcid.org/0000-0003-4031-2503) |
affiliation |
Lower Dnister National
Park (Odessa, Ukraine) |
bibliography |
Theriologia Ukrainica.
2021. Vol. 21: 109–113. |
DOI |
http://doi.org/10.15407/TU2109 |
|
|
language |
English, with Ukrainian summary,
titles of tables, captures to figs |
abstract |
With the
advent of the golden jackal in the Lower Dnister,
certain changes have taken place in natural complexes,
which are primarily related to the impact of the
new species on the local fauna. Under such conditions,
the number of jackals in certain areas, the spatial
structure and location of separate packs are important
information for the development of measures aimed
at maintaining an optimal abundance of this species.
Given the active impact of wildlife on natural systems,
there are a number of both biological and purely
social problems that need to be addressed. The effectiveness
of solving such problems directly depends on the
level of study of various aspects of biology and
ecology of jackals. In addition, knowledge of the
current state of the Dniester jackal population
allows timely and effective response to new environmental
challenges, which are associated with an increase
in the abundance of new species and in its impact
on the native mammal fauna. The results of the research
indicate a certain competition of the jackal with
other species of predatory mammals, in particular
the fox and the raccoon dog. Thus, within the territories
where the study was carried out, with the appearance
of the jackal at the lower course of the Dnister,
the red fox was not observed at all and the number
of raccoon dogs decreased significantly. Habitats
of separate jackal groups within the Lower Dnister
National Nature Park have been identified and their
total abundance has been established. The dynamics
of settlement by the species of the Lower Dnister
area is analysed, the conservatism of the species
in relation to the residential areas is indicated.
It has been established that in some parts of the
park, in particular on the northern bank of the
Dnister Estuary, the density of animals is about
12 individuals per 1000 hectares, which significantly
exceeds the permissible sanitary and epidemiological
standards. At the same time, in some parts of the
floodplains of the Lower Dnister, density exceeds
0.5 individuals per 1000 ha, which indicates a complex
spatial distribution of separate packs and groups
of jackals. Mapping of the number of jackals in
the park showed that groups far from the estuary
are smaller in number (6–14 individuals), whereas
groups near the estuary are more abundant (13–20
individuals). |
keywords |
jackal, population
status, national park, Northern Black Sea Region |
|
|
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