Long-term monitoring of ground-dwelling arthropods in central Arizona-Phoenix, ongoing since 1998
Author(s):
- Nancy Grimm, Arizona State University
- Dan Childers, Arizona State University
- Stanley Faeth
- Mark Hostetler
- Nancy McIntyre
- Eyal Shochat
Abstract:
The Central Arizona–Phoenix Long-Term Ecological Research (CAP LTER) program has been monitoring ground-dwelling arthropods (e.g., insects, ararchnids) at locations throughout the greater Phoenix metropolitan area (GPMA) and surrounding Sonoran desert region since 1998. Monitoring locations span a diversity of habitat types, including mesic and xeric residential yards, commercial areas, agricultural fields, desert locations within the GPMA (desert remnant), and undisturbed desert locations. Organisms are collected quarterly using unbaited pitfall traps, typically ten per location but with some variation, exposed for approximately seventy-two hours. Organisms are identified to the lowest practical taxonomic level and enumerated. Many of the sampling locations established at the beginning of the monitoring project were relocated in 2001-2002 to overlap with the CAP LTER’s Ecological Survey of Central Arizona (ESCA; formerly named Survey200) long-term monitoring sites, although within the same general landscape categories.
Keywords:
Temporal Coverage:
1998-04-23 to 2019-10-11Geographic Coverage:
Geographic Description: CAP LTER study areaBounding Coordinates:
Longitude:-112.5771 to -111.6148
Latitude:33.8204 to 33.3028
Contact:
Information Manager, Central Arizona–Phoenix LTER,Arizona State University,Global Institute of Sustainability,Tempe
caplter.data@asu.edu
Methods used in producing this dataset: Show
Data Files (3) :
Tabular: 41_core_arthropod_sites_059dd1a641760de2c00205690e1909e4.csv
Description: Tabular file providing detailed characteristics of arthropod sampling locations, including a general description of the location (typically nearest cross streets), latitude and longitude, sampling start and end dates (if applicable), arrangment of pitfall traps, and general comments regarding the sampling location.
Temporal Coverage: 1998-04-23 to 2005-01-24
Column | Description | Type | Units |
---|---|---|---|
site_code | survey location identifier |
string | |
location | street address or general description of sampling location |
string | |
lat | latitude of sampling location (approximately as the center of the trap line or configuration) |
float | degree |
long | longitude of sampling location (approximately as the center of the trap line or configuration) |
float | degree |
gps_date | date gps position of sampling location was recorded |
date | Format: YYYY-MM-DD |
start_date | date of first sampling at the location |
date | Format: YYYY-MM-DD |
end_date | date of final sampling or date of decision to cease sampling at the location |
date | Format: YYYY-MM-DD |
trap_arrange | general description of arrangement of the traps especially if the arrangement was something other than a line |
string | |
comments | general comments regarding the sampling location |
string |
Tabular: 41_core_arthropods_1e29647085a7e9859c69105dd3030ddf.csv
Description: Tabular file detailing key data from the CAP LTER's long-term monitoring of ground-dwelling arthropods. This data entity includes sample event details, taxonomic details and the number of organisms collected, sizes of organisms where noted (in the early stages of the project), and general notes and details regarding the gathering, identifiction, or enumeration of specimens.
Temporal Coverage: 1998-04-23 to 2019-10-11
Column | Description | Type | Units |
---|---|---|---|
sampling_event_id | identifier indicating unique sampling event where a sampling event is a discrete collection event at a site and date |
string | |
site_code | survey location identifier |
string | |
sample_date | date of sample collection |
date | Format: YYYY-MM-DD |
observer | identifier (typically initials) of person primarily responsible for processing (sorting, identifying) collected samples |
string | |
trap_name | identifier of individual collecting trap |
string | |
trap_sampling_events_comments | comments regarding field data collection or lab sample processing |
string | |
trap_sampling_events_flags | quality control flags (comments) regarding field data collection or lab sample processing |
string | |
trap_count | total number of traps collected and processed for this collection event (i.e., specific site_code and sample_date) |
float | number |
arth_class | organism classification: class |
string | |
arth_order | organism classification: order |
string | |
arth_family | organism classification: family |
string | |
arth_genus_subgenus | organism classification: genus or subgenus |
string | |
display_name | organism classification for descriptive purposes, typically finest taxonomic resolution |
string | |
lt2mm | number of specimens less than 2 mm in length |
float | number |
_2_5mm | number of specimens 2 to 5 mm in length |
float | number |
_5_10mm | number of specimens 5 to 10 mm in length |
float | number |
gt10mm | number of specimens greater than 10 mm in length |
float | number |
unsized | number of specimens not distinguished by size/length |
float | number |
Spatial Vector: 41_core_arthropod_locations.kml
Description: Geospatial file (KML) detailing the locations of CAP LTER ground-dwelling arthropod sampling sites. Locations are approximately the center point of the set of traps at a given sampling site.
Horizontal Coordinate System:GCS_WGS_1984
Geometry Type: Point
Column | Description | Type | Units |
---|---|---|---|
site_code | survey location identifier |
string | |
location | street address or general description of sampling location |
string | |
gps_date | kml default metadata |
string | |
start_date | kml default metadata |
string | |
end_date | kml default metadata |
string | |
num_traps | number of traps installed at the sampling location |
float | number |
trap_arrange | general description of arrangement of the traps, especially if the arrangement was something other than a line |
string | |
comments | general comments regarding the sampling location |
string | |
Name | survey location identifier |
string |