Manatee Abundance Research Articles

First statewide abundance estimate of the Florida manatee

Interestingly, we estimated that 70% (95%CI: 60–80%) of manatees on the east coast of Florida were aggregated in one county during our survey. Our study ...

2021–2022 Statewide Abundance Estimates for the Florida Manatee

Knowing the population size of Florida manatees (Trichechus manatus latirostris) is critical for conservation and management of this threatened species.

Statewide Florida Manatee Abundance Estimate | FWC

Our estimate of statewide abundance for the 2021-2022 period is 8,350–11,730 manatees, with 3,960–5,420 on the west coast and 3,940–6,980 on the east coast.

Increases in Seasonal Manatee (Trichechus manatus latirostris ...

Summer surveys were conducted consistently between 2004 and 2012. No significant change in peak or average manatee abundance was detected during this period.

Density and abundance estimation of West Indian manatee ...

Status of manatee research in Colombia during the last 25 years: a review [Paper presentation]. Seventh International Sirenian. Symposium, San ...

Monitoring abundance of aggregated animals (Florida manatees ...

Overall, detection probability for sites varied between 0.62 and 1.00 across surveys and length of video (6 and 10 min). Abundance varied by ...

Updated statewide abundance estimates for the Florida manatee

Knowing how many manatees live in Florida is critical for conservation and management of this threatened species. Martin et al. (2015) flew aerial surveys ...

2021-2022 Statewide Abundance Estimates for the Florida Manatee

We estimate that the number of manatees in Florida in 2021–2022 was 9,790 (95% Bayesian credible interval 8,350–11,730), of which 4,630 (3,960– ...

Density and abundance estimate of Antillean manatees (Trichechus ...

Using distance sampling from 14 boat trips, estimates of density and abundance were 15.5 manatees km-2 and 27 Â± 5 manatees in the lake (CV â‰ˆ 16.6 %).

New aerial survey and hierarchical model to estimate manatee ...

Research Article. Full Access. New aerial survey and hierarchical model to estimate manatee abundance ... abundance of Florida manatees at a ...

Manatee Abundance Research Articles - R Discovery

Manatee abundance was calculated using distance sampling (Distance 6.0 software). There were 1,396 transection lines that totaled 863.6 km traveled in the study ...

Density and abundance estimation of West Indian manatee ...

This study provides an estimate of manatee density and abundance in a key estuarine system along the northeast coast of Brazil.

Habitat selection and abundance of West Indian manatees ...

The West Indian manatee is an ideal species to study how habitat selection influ- ences range expansion because its presence has rapidly ...

"Distribution and Abundance of Manatees Along the Northern Coast ...

A review of historical and recent records of manatee (Trichechus manatus) sightings along the coast of the northern Gulf of Mexico indicates that their ...

Abundance of manatees in Panama estimated from side‐scan sonar

Our study represents the first use of sonar to estimate manatee abundance. Like any counting estimate, it depends on detectability, but we found ...

Updated Statewide Abundance Estimates for the Florida Manatee

Florida Fish and Wildlife Conservation Commission, Fish and Wildlife Research. Institute Technical Report No. 23. Cover and text papers used in this publication ...

Diet composition of the African manatee: Spatial and temporal ...

in the diet of manatee in this study could be due to the abundance of grasses in the mangrove area which are more available and perhaps more ...

Estimating Florida manatee (Trichechus manatus latirostris ...

The link between independent visual counts and abundance estimates from passive acoustic monitoring was used to provide an estimate of 1.059 (95 ...

Population estimates of Antillean manatees in Puerto Rico

Manatees were more widespread than previously understood. Improving estimates, locally or island-wide, will require stratifying the island differently and ...

Abundance and distribution trends of the West Indian manatee in the ...

Based on analysis of variance, the Abundance Index (transformed manatee sightings per hour) did not differ significantly among years, although it varied ...