Data Set Citation:
When using this data, please cite the data package:
National Center for Ecological Analysis and Synthesis and Ives A.
Insights on community dynamics from large-scale, long-term data: time series for zooplankton and environmental variates from 35 North American lakes
nceas.19.14 (https://knb.ecoinformatics.org:443/knb/metacat/nceas.19.14/nceas)
General Information:
Title:Insights on community dynamics from large-scale, long-term data: time series for zooplankton and environmental variates from 35 North American lakes
Identifier:nceas.19
Abstract:
The NCEAS Community Dynamics Working Group brought together theoretical and empirical ecologists to evaluate the relative importance of intrinsic and extrinsic sources of variability in natural communities. We focused on zooplankton community dynamics, in part because we had access to extensive time series data on zooplankton community structure from 35 North American lakes. Thirty-four of the lakes were concentrated at 5 sites: the North Temperate Lakes LTER site in Wisconsin; the University of Notre Dame Environmental Research Center in Michigan; the Dorset Environmental Research Centre, the Experimental Lakes Area, and the Sudbury region, all in Ontario. We also have data for saline Mono Lake in California. Our database has many strengths, including the length of the time series (5-21 years); consistent sampling methodologies, particularly for zooplankton; and the availability of information on environmental factors, including phytoplankton, physical parameters, and water chemistry. Another unique aspect of our dataset is that it includes data from both undisturbed reference lakes and experimentally manipulated lakes. The whole-lake experiments include food web manipulations, nutrient enrichments, acidifications and limings, and an unplanned invasion of an exotic species. Some of the experimental manipulations are even replicated within and among sites, providing a unique opportunity to explore the extent to which responses to a particular perturbation are consistent across lakes. In addition to determining how manipulations change the dynamics of zooplankton communities, we are using the data from the reference lakes to establish bounds on normal ranges of variability and to explore how this variability differs among lakes at a site vs. between sites. Thus, our joint database is facilitating extensive comparisons of zooplankton community dynamics at the scale of whole lakes.
Keywords:none:
  • North America (place)
none:
  • limnology (theme)
none:
  • lakes (place)
none:
  • zooplankton (taxonomic)
none:
  • time series data (theme)

Involved Parties

Data Set Creators:
Organization:National Center for Ecological Analysis and Synthesis
Individual: Anthony Ives
Organization:Department of Zoology, University of Wisconsin
Address:
Department of Zoology, University of Wisconsin,,
Madison, Wisconsin 53706 USA
Phone:
608-262-1519 (voice)
Email Address:
arives@facstaff.wisc.edu
Data Set Contacts:
Individual: Kathy Cottingham
Address:
6044 Gilman Laboratory,
Hanover, New Hampshire 03755 USA
Phone:
1-603-646-0216 (voice)
Email Address:
Kathryn.Cottingham@Dartmouth.edu
Associated Parties:
Individual: Thomas Frost
Individual: Alan Hastings
Individual: Stephen Carpenter
Individual: Kathryn Cottingham
Individual: Brian Dennis
Individual: Janet Fischer
Individual: Everett Fee
Individual: Jen Klug
Individual: Peter McEvoy
Individual: John Melack
Individual: Fiorenza Micheli
Individual: Norman Yan
Individual: Tim Wootton
Individual: James Rusak
Metadata Providers:
Individual: Rick Reeves

Data Set Characteristics

Geographic Region:
Geographic Description:35 North American lakes; 34 of the lakes were concentrated at 5 sites: the North Temperate Lakes LTER site in Wisconsin; the University of Notre Dame Environmental Research Center in Michigan; the Dorset Environmental Research Centre, the Experimental Lakes Area, and the Sudbury region, all in Ontario. We also have data for saline Mono Lake in California. Geographic coordinates are approximate for upper North America.
Bounding Coordinates:
West:  -135  degrees
East:  -56  degrees
North:  73  degrees
South:  25  degrees
Time Period:
Begin:
1985-01-01
End:
1995-01-01

Sampling, Processing and Quality Control Methods

Step by Step Procedures
Step 1:  
Description:

Transect

We used a transect to select data collection points

Data Set Usage Rights

obtain permission from originator(s)
Access Control:
Auth System:knb
Order:denyFirst
Metadata download: Ecological Metadata Language (EML) File