load_data_vegetation: retrieve vegetation data from 'Fieldmap' database

In inbo/forrescalc: Calculation of Aggregated Values on Dendrometry, Regeneration and Vegetation of Forests, Starting from Individual Tree Measures from Fieldmap

retrieve vegetation data from Fieldmap database

Description

This function queries the given database to retrieve data on vegetation (ready for use in calculate_vegetation function).

Usage

load_data_vegetation(
  database,
  plottype = NA,
  forest_reserve = NA,
  processed = TRUE
)

Arguments

database	name of Fieldmap/Access database (with specific Fieldmap structure) including path
plottype	possibility to select only data for a certain plot type, e.g. 'CP' for Circular plot or 'CA' for Core area (the default NA means that data from all plots are retrieved)
forest_reserve	possibility to select only data for 1 forest reserve by giving the name of the forest reserve (the default NA means that data from all plots are retrieved)
processed	Should only processed and surveyed data be added? Defaults to TRUE (yes).

Value

Dataframe with vegetation data, containing columns as total_herb_cover, total_shrub_cover, total_tree_cover, total_soildisturbance_game, date_vegetation (= date of vegetation survey), year_main_survey (= year of vegetation survey), ....

Examples

library(forrescalc)
# (add path to your own fieldmap database here)
path_to_fieldmapdb <-
  system.file("example/database/mdb_bosres.sqlite", package = "forrescalc")
load_data_vegetation(path_to_fieldmapdb)

inbo/forrescalc documentation built on Sept. 28, 2024, 11:45 a.m.