size: 5036KB - Crocodile Specialist Group

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Because of lack of funds Eo carry out surveys in mosE of the
localities just four of then were censused annualfy. Site
selection lras based on the trophic quality of the vraters and
because they bel.ng
to the protected
Areas system of Ecuador and
therefore considered to nininize exteraal disturbance that could
confound
survey resufts.
The Cuyabeno lake and river systen, Zancudococha, and
IJagartococha lakes and river
belong to the rReserva de proatuccion
Faunisticatr Cuyabeno Reserve. Lirnoncocha belongs to the ,,Reserva
Biological Lirnoncocha Biotogical Reserve. In a1I the tocalities
Calnan crocodilus is sympatric lrith l,tetanosuchus niqer.
The popufations belonging to the Cuyabeno Reserve have shov/n very
siniLar abundance throughout the survey period. The cuyabeno
Iakes, and cuyabeno lakes and river sysenshave rnean densities
(5.68 aninals/ kn and 3,15/ km respectively) in a period of 9
consecutive annual censuses. (Figure 1) Zancudococha lake
presents sl.rnpatric populations
of 23.53/ kn over a 5 year perroat
of consecutive censuses. Lagartococha (Inuya) shows a nean
density of 23.59/ km over 2 years of survey (fig.ure... ).
The Linoncocha lake belonging
Reserve shows a steady decline
annual surveys (figure 3.).
to the Linoncocha Biologrcal
of its population in I years of