Sample points along rivers. — rio

The sample points are along centerline of rivers upstream of the Cachoeira Caldeirão Dam. A total of 52 points are regularly spaced at approximately 5 km intervals. Used to develop before-after control-impact analysis of dam impacts on species including Giant Otters (https://doi.org/10.7717/peerj.14287) and Yellow-spotted River Turtles ( https://doi.org/10.1002/aqc.3775).

location: Amapá, Brazil.
coord. ref: WGS 84 (EPSG:4326).

Usage

rio_pontos

Format

`rio_pontos` is sf POINT geometry with 52 points and 8 fields, including:

subz_id: Unique identifier.
long: Longitude. Decimal degrees.
lat: Latitude. Decimal degrees.
impact: Dam impact. 1 = yes, 0 = no.

Source

<https://fmichalski.wixsite.com/lecov>

Details

Sample points along Araguari and Falsino rivers.

Examples

# plot to see the points
plot(rio_pontos["rio"])