Alewife habitat

A dataset containing the surface area of Alewife habitat and features for individual flow line segments or waterbodies (lakes) comprising habitat units in Atlantic coast drainages.

Usage

habitat_ale

Format

A data frame with 255,133 observations of 7 variables:

REACHCODE

Code used to identify individual habitat units

Hab_sqkm

Surface area of habitat in square kilometers

Latitude

Latitude at downstream terminus of habitat unit

State

Governmental unit at downstream terminus of habitat unit

River_huc

Name of river to which habitat unit belongs, derived from hydrologic unit codes

POP

Genetic reporting group geographic region within which habitat unit falls

DamOrder

Order of dam at downstream terminus of habitat unit. Cumulatively assigned such that all habitat units upstream of a given dam all have dam_order >= 1

Source

Shawn Snyder

Examples

head(habitat_ale)
#>   REACHCODE    Hab_sqkm Latitude State         River_huc POP DamOrder
#> 1     USA-1 0.122412805 44.06767    ME Abagadasset River NNE        0
#> 2     USA-2 0.018098687 44.01012    ME Abagadasset River NNE        0
#> 3     USA-3 0.003016216 44.10005    ME Abagadasset River NNE        0
#> 4     USA-4 0.146205559 44.15900    ME Abagadasset River NNE        0
#> 5     USA-5 0.001310855 44.09282    ME Abagadasset River NNE        0
#> 6     USA-6 0.016050529 44.09014    ME Abagadasset River NNE        0