habitat_ale: Alewife habitat

In danStich/anadrofish: Anadromous Fish Population Responses to Habitat Changes

Alewife habitat

Description

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)

danStich/anadrofish documentation built on June 11, 2025, 11:25 p.m.