#' zooper: A package for integrating zooplankton datasets from the Sacramento San Joaquin Delta
#'
#' This package contains functions, lookup tables, and 2 built-in pre-combined datasets (one with the zooplankton data and another with the environmental data).
#'
#' @section zooper functions:
#' \itemize{
#' \item \code{\link{Zoopsynther}}
#' \item \code{\link{Zoopdownloader}}
#' \item \code{\link{Taxnamefinder}}
#' \item \code{\link{SourceTaxaKeyer}}
#' \item \code{\link{LCD_Taxa}}
#' \item \code{\link{Uncountedyears}}
#' }
#'
#' @section zooper lookup tables:
#' \itemize{
#' \item \code{\link{crosswalk}}
#' \item \code{\link{undersampled}}
#' \item \code{\link{stations}}
#' \item \code{\link{completeTaxaList}}
#' \item \code{\link{startDates}}
#' }
#'
#' @section zooper pre-combined (with the \code{\link{Zoopdownloader}} function) zooplankton datasets. These may be out of date:
#' \itemize{
#' \item \code{\link{zoopComb}}
#' \item \code{\link{zoopEnvComb}}
#' }
#'
#' @section Source datasets:
#' \describe{
#' \item{Environmental Monitoring Program (EMP)}{The EMP zooplankton survey is run by the California Department
#' of Fish and Wildlife. Zooplankton were first collected in 1972. It samples monthly at 17 fixed stations,
#' 2 floating entrapment zone stations, and 3 stations in Carquinez Strait and San Pablo Bay that are only
#' sampled during high outflow and low salinity conditions. EMP samples using micro (43 \eqn{\mu}m),
#' meso (160 \eqn{\mu}m), and macro (505 \eqn{\mu}m) zooplankton nets. Note that additional Amphipod data with
#' quality issues (e.g., vegetation in net) are available in the EMP data publication.
#' \href{https://portal.edirepository.org/nis/mapbrowse?scope=edi&identifier=522}{Data are available here.}}
#' \item{20-mm Survey}{The 20-mm survey is run by the California Department of Fish and Wildlife.
#' Zooplankton were first collected in 1995. Zooplankton are collected concurrently with fish
#' samples at 41-55 fixed open-channel stations per year. Samples are collected twice per month
#' between March and July. Only Mesozooplankton are collected with a 160 \eqn{\mu}m mesh net.
#' \href{ftp://ftp.dfg.ca.gov/Delta\%20Smelt}{Data are available here.}}
#' \item{Fall Midwater Trawl (FMWT) and Summer Townet Survey (STN)}{The FMWT and STN are run by the
#' California Department of Fish and Wildlife. FMWT samples are collected monthly between September
#' and December from a subset of the 122 fixed open-channel stations. STN samples are collected
#' monthly between June and August from 40 fixed open-channel stations. Macrozooplankton have been
#' collected since 2007 with a 505 \eqn{\mu}m mesh net while mesozooplankton have been collected
#' since 2005 with a 160 \eqn{\mu}m mesh net.
#' \href{ftp://ftp.dfg.ca.gov/TownetFallMidwaterTrawl/Zoopl_TownetFMWT}{Data are available here.}.
#' Supplemental sampling from the Suisun Marsh Salinity Control Gate study data are also included
#' and \href{ftp://ftp.dfg.ca.gov/TownetFallMidwaterTrawl/Zooplankton_SMSCG}{those data can be found here.}}
#' \item{Fish Restoration Program (FRP)}{FRP is run by the California Department of Fish and Wildlife.
#' Zooplankton were first collected in 2015. Samples are collected monthly between March and December
#' in shallow-water habitats near marshes. FRP samples with meso (150 \eqn{\mu}m) and macro (500 \eqn{\mu}m)
#' zooplankton nets. \href{doi.org/10.6073/pasta/86810e72766ad19fccb1b9dd3955bdf8}{Data are available here.}}
#' \item{Directed Outflow Project Lower Trophic Study (DOP)}{The Directed Outflow Project Lower Trophic Study
#' is run by ICF for the United States Bureau of Reclamation. Zooplankton were first collected in fall 2017.
#' Samples were collected once every two weeks in 2017 and weekly thereafter. Sampling is conducted in the fall
#' and, starting in 2019, spring and summer seasons have also been sampled. Three sampling stations per region
#' are randomly selected for 5 regions (Suisun Bay, Suisun Marsh, Lower Sac. River, Cache Slough, Sac Ship Channel).
#' In 2017, stations were sampled in 3 additional regions: West of the Benicia Bridge, Lower San Joaquin, and
#' Upper Sac River. At each station, sample collection is attempted at both shoal (<=10 feet) and channel (>10 feet) habitat.
#' Channels are sampled at the surface and, if deeper than 20 feet, also at the bottom 1/2 to 1/3 of the water column.
#' DOP samples with meso (150 \eqn{\mu}m) and macro (500 \eqn{\mu}m) zooplankton nets.
#' \href{https://doi.org/10.6073/pasta/73b4acc0e1a72cb31d95ba96a4071fbc}{Data are available here.}}
#' \item{Yolo Bypass Fish Monitoring Program (YBFMP)}{YBFMP is run by the California Department of Water Resources.
#' Zooplankton were first collected in 1999. Samples are from 2 sites, one in the Yolo Bypass and one in the Sacramento River.
#' In 1999 and 2000, samples were collected for a couple of months each year, and then it increased to roughly winter/spring from 2001-2010.
#' Since 2011, samples are collected twice monthly during most of the year, and weekly when the bypass is inundated.
#' YBFMP samples with micro (50 \eqn{\mu}m) and meso (150 \eqn{\mu}m) zooplankton nets.
#' \href{https://portal.edirepository.org/nis/mapbrowse?scope=edi&identifier=494}{Data are available here.}}
#' }
#'
#' @name zooper
"_PACKAGE"
## quiets concerns of R CMD check re: the .'s that appear in pipelines
if(getRversion() >= "2.15.1") utils::globalVariables(c("."))
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