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Conditions of Use

The re-use of scientific data has the potential to greatly increase communication, collaboration and synthesis within and among disciplines, and thus is fostered, supported and encouraged. Permission to use this dataset is granted to the Data User free of charge subject to the following terms:

1) Acceptable use. Use of the dataset will be restricted to academic, research, educational, government, recreational, or other not-for-profit professional purposes. The Data User is permitted to produce and distribute derived works from this dataset provided that they are released under the same license terms as those accompanying this Data Set. Any other uses for the Data Set or its derived products will require explicit permission from the dataset owner.
2 ) Redistribution. The data are provided for use by the Data User. The metadata and this license must accompany all copies made and be available to all users of this Data Set. The Data User will not redistribute the original Data Set beyond this collaboration sphere.
3 ) Citation. It is considered a matter of professional ethics to acknowledge the work of other scientists. Thus, the Data User will properly cite the Data Set in any publications or in the metadata of any derived data products that were produced using the Data Set. Citation should take the following general form: Creator, Year of Data Publication, Title of Dataset, Publisher, Dataset identifier. For example:

Shaver, G. 1989. Above ground biomass in acidic tussock tundra experimental site, 1989, Arctic LTER, Toolik, Alaska. Arctic LTER, Marine Biological Lab, Woods Hole, Ma 02543. 1989gsttbm http://ecosystems.mbl.edu/arc/terrest/biomass/index.shtml 

4 ) Acknowledgement. The Data User should acknowledge any institutional support or specific funding awards referenced in the metadata accompanying this dataset in any publications where the Data Set contributed significantly to its content. Acknowledgements should identify the supporting party, the party that received the support, and any identifying information such as grant numbers. For example:

Data sets were provided by the Arctic LTER. This material is based upon work supported by the National Science Foundation under Grants #DEB-981022, 9211775, 8702328; #OPP-9911278, 9911681, 9732281, 9615411, 9615563, 9615942, 9615949, 9400722, 9415411, 9318529; #BSR 9019055, 8806635, 8507493.

5 ) Notification. The Data User will notify the Data Set Contact when any derivative work or publication based on or derived from the Data Set is distributed. The Data User will provide the data contact with two reprints of any publications resulting from use of the Data Set and will provide copies, or on-line access to, any derived digital products. Notification will include an explanation of how the Data Set was used to produce the derived work.
6 ) Collaboration. The Data Set has been released in the spirit of open scientific collaboration. Data Users are thus strongly encouraged to consider consultation, collaboration and/or co-authorship with the Data Set Creator.

By accepting this Data Set, the Data User agrees to abide by the terms of this agreement. The Data Owner shall have the right to terminate this agreement immediately by written notice upon the Data User's breach of, or non-compliance with, any of its terms. The Data User may be held responsible for any misuse that is caused or encouraged by the Data User's failure to abide by the terms of this agreement.

Disclaimer

While substantial efforts are made to ensure the accuracy of data and documentation contained in this Data Set, complete accuracy of data and metadata cannot be guaranteed. All data and metadata are made available "as is". The Data User holds all parties involved in the production or distribution of the Data Set harmless for damages resulting from its use or interpretation.

Dataset URLs:METADATA: HTML, Rich Text, XML(EML compliant)
DATA: Comma Delimited, Excel file with Metadata and data
Dataset ID:92rumzoo.3
Dataset Title:Biomass and numbers of microplankton (20-200um) in Arctic LTER lakes in 1992, including ciliated protozoans, rotifers and nauplii, Arctic LTER, summer 1992.
Investigator 1: 
First Name:Parke
Last Name:Rublee
Organization:The University of North Carolina- Greensboro
Address line 2:Department of Biology
Address line 3:
City:Greensboro
State:NC
Zip Code:27402-6170
Country:USA
Investigator 2: 
First Name:Neil
Last Name:Bettez
Organization:
Address line 2:
City:
State:
Zip Code:
Country:
Associate Investigators:
Keywords:microplankton, protozoans, rotifers, nauplii
Abstract:Biomass and numbers of microplankton (20-200um) in Arctic LTER lakes in 1992, including ciliated protozoans, rotifers and nauplii.
For questions about the Metadata and data contact the Investigators.
For information about this web site contact:		 Arctic LTER Information Manager
The Ecosystems Center
Marine Biological Lab
7 MBL St
Woods Hole, MA 02543
Phone (508) 289 7496
Email: arc_im@mbl.edu
Online URL: http://ecosystems.mbl.edu/ARC/
DATA FILE INFORMATION:
Data File URL http://metacat.lternet.edu/das/dataAccessServlet?docid=knb-lter-arc.959&urlTail=lakes/plankton/data/92rumzoo.csv
Data File Name 92rumzoo.xls
Beginning Date 5/1/1992
End Date 9/1/1992
Number of Data Records 40
Other Files to Reference
Availability Status
Quality Control Information
Maintenance Description
Log of Changes: Log of changes: For Archival Use: DATE RECEIVED: April 9, 1997 DATA FILE ENTERED BY: Neil Bettez DATA FILE VALIDATION: NAME: Neil Bettez DATE: April 9, 1997
Version 3: Updated metadata sheet to newer version (with sites sheet). CH April 2013.
 
RESEARCH LOCATION:                                            
Location Name N 01 Select Site or enter New One Select Site or enter New One Select Site or enter New One Select Site or enter New One Select Site or enter New One Select Site or enter New One Select Site or enter New One Select Site or enter New One Select Site or enter New One Select Site or enter New One Select Site or enter New One Select Site or enter New One Select Site or enter New One Select Site or enter New One Select Site or enter New One Select Site or enter New One Select Site or enter New One Select Site or enter New One Select Site or enter New One Select Site or enter New One  
Geographic Description Lake N1 Enter Description Enter Description Enter Description Enter Description Enter Description Enter Description Enter Description Enter Description Enter Description Enter Description Enter Description Enter Description Enter Description Enter Description Enter Description Enter Description Enter Description Enter Description Enter Description Enter Description  
Location Bounding Box                                            
West Bounding Coordinate                                            
East Bounding Coordinate                                            
North Bounding Coordinate                                            
South Bounding Coordinate                                            
OR if single point location                                            
Latitude 68.6398939358 In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees  
Longitude -149.606965643 In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees In Decimal Degrees  
Elevation 731 In Meters In Meters In Meters In Meters In Meters In Meters In Meters In Meters In Meters In Meters In Meters In Meters In Meters In Meters In Meters In Meters In Meters In Meters In Meters In Meters  
Link to Google Map View on Google Map                                          
                                             
 
TAXONOMIC COVERAGE:
Organisms studied
 
Methods:Samples were taken with a

Van Dorn bottle, emptied into a pitcher, and 2 to 2.5 l was

gently reverse-flow concentrated through a 20 um Nitex net.

A final volume of 60 ml was preserved with glutaraldehyde

to a final concentration of 1%. All samples were stored

refrigerated until direct counting according to the method

of Baldock (1989). Briefly, 5 - 15 ml was stained with

Rose Bengal, drawn onto an 8.0 um pore cellulose acetate

filter, mounted in 47% sucrose solution and the entire

filter surface examined at 100x to 400x magnification.

Individual protozoans and rotifers were identified to

finest practical taxonomic level; nauplii were simply

enumerated.
Notes: This file is currently incomplete: data for other lakes is yet to be added.

Reference Citations: Baldock, B.M. 1986. A method for enumerating protozoa in a variety of freshwater habitats. Microb. Ecol. 12:187-191.
Makarewicz, J.C. and G.E. Likens. 1979. Structure and function of the zooplankton community of Mirror Lake, N.H. Ecol. Monogr. 49:109-127.
Pauli, H.-R. 1989. A new method to estimate individual dry weights of rotifers. Hydrobiol. 186/187:355-361.
Putt, M. and D.K. Stoecker. 1989. An experimentally determined carbon:volume ratio for marine "oligotrichous" ciliates from estuarine and coastal waters. Limnol. Oceanogr. 34:1097-1104.
Ruttner-Kolisko, A. 1974. Plankton rotifers. Biology and taxonomy. Die Binnengewasser, Suppl. Vol XXVI, part 1.
Ruttner-Kolisko, A. 1977. Suggestions for biomass calculation of plankton rotifers. Arch. Hydrobiol. 8:71-76.

Sampling Description.

Sampling locations are designated by the
lake sitecode numbers. All samples were taken at the "main"
station - that normally used for synoptic sampling of
nutrients, zooplankton etc. For lakes where samples are not
routinely taken, samples were taken from the deepest
known location in the lake.

All Biomass values are calculated based on measured biovolumes in preserved samples and literature conversion values from biovolume to carbon. For protozoans, individuals are placed into size categories, and a mean biovolume is then estimated by appropriate geometric formulas for volumes of a cone or sphere. Protozoan biovolume is converted to protozoan biomass using a conversion factor of 0.14 pg C æm-3 (Putt and Stoecker 1989). For rotifers, mean biomass values for individuals of each species were derived from direct measurements of dimensions and appropriate conversion factors to biomass derived from Ruttner-Kolisko (1977), Makarewicz and Likens (1979), and Pauli (1989).

Data Table

Variable Name Variable Description Data Type Units DateTime Format Code Information Missing Value Code
Site Code Site code, LTER code text       .=Missing or Not Measured
Site Site name text       .=Missing or Not Measured
Station Location of sampling in lake text       .=Missing or Not Measured
Depth sample depth number meter     .=Missing or Not Measured
Date Date datetime   DDMMMYY   .=Missing or Not Measured
Strombidium 20-30 um (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
Strombidium 35-45 um (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
Strombidium >=50 um (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
Strombidium ~100 um (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
Halteria 20-30 um (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
Halteria 35-45 um (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
Halteria >=50 um (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
Halteria ~100 um (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
mesodinium (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
misc protozoans (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
Vorticella sp. small attached (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
Vorticella sp. small free (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
Vorticella sp. large free (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
Epistylis rotans (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
Strobilidium (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
Keratella cochliaris (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
Keratella quadrata (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
Kellicottia longispina (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
Polyarthra vulgaris (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
Cromogaster eucadis (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
Synchaeta (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
Conochilus unicornis (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
Conochilus natans (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
Filinia terminalis (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
Gastropus (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
Colotheca (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
Trichocerca (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
oligotrichs number (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
peritrich number (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
total Protozoan (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
total rotifer (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
Nauplii number (#individuals/liter) number numberPerLiter     .=Missing or Not Measured
Strombidium 20-30 um (pgC/liter) number picogramPerLiter     .=Missing or Not Measured
Strombidium 35-45 um (pgC/liter) number picogramPerLiter     .=Missing or Not Measured
Strombidium >=50 um (pgC/liter) number picogramPerLiter     .=Missing or Not Measured
Strombidium ~100 um (pgC/liter) number picogramPerLiter     .=Missing or Not Measured
Halteria 20-30 um (pgC/liter) number picogramPerLiter     .=Missing or Not Measured
Halteria 35-45 um (pgC/liter) number picogramPerLiter     .=Missing or Not Measured
Halteria >=50 um (pgC/liter) number picogramPerLiter     .=Missing or Not Measured
Halteria ~100 um (pgC/liter) number picogramPerLiter     .=Missing or Not Measured
mesodinium (pgC/liter) number picogramPerLiter     .=Missing or Not Measured
misc protozoans (pgC/liter) number picogramPerLiter     .=Missing or Not Measured
Vorticella sp. small attached (pgC/liter) number picogramPerLiter     .=Missing or Not Measured
Vorticella sp. small free (pgC/liter) number picogramPerLiter     .=Missing or Not Measured
Vorticella sp. large free (pgC/liter) number picogramPerLiter     .=Missing or Not Measured
Epistylis rotans (pgC/liter) number picogramPerLiter     .=Missing or Not Measured
Strobilidium (pgC/liter) number picogramPerLiter     .=Missing or Not Measured
Keratella cochliaris (ngC/liter) number nanogramPerLiter     .=Missing or Not Measured
Keratella quadrata (ngC/liter) number nanogramPerLiter     .=Missing or Not Measured
Kellicottia longispina (ngC/liter) number nanogramPerLiter     .=Missing or Not Measured
Polyarthra vulgaris (ngC/liter) number nanogramPerLiter     .=Missing or Not Measured
Cromogaster (ngC/liter) number nanogramPerLiter     .=Missing or Not Measured
Synchaeta (ngC/liter) number nanogramPerLiter     .=Missing or Not Measured
Conochilus unicornis (ngC/liter) number nanogramPerLiter     .=Missing or Not Measured
Conochilus natans (ngC/liter) number nanogramPerLiter     .=Missing or Not Measured
Filinia terminalis (ngC/liter) number nanogramPerLiter     .=Missing or Not Measured
Gastropus (ngC/liter) number nanogramPerLiter     .=Missing or Not Measured
Colotheca (ngC/liter) number nanogramPerLiter     .=Missing or Not Measured
Trichocerca (ngC/liter) number nanogramPerLiter     .=Missing or Not Measured
oligotrichs biomass (pgC/liter) number picogramPerLiter     .=Missing or Not Measured
peritrich biomass (pgC/liter) number picogramPerLiter     .=Missing or Not Measured
total protozoan (ugC/liter) number microgramPerLiter     .=Missing or Not Measured
total rotifer biomass (ugC/liter) number microgramPerLiter     .=Missing or Not Measured
Nauplius biomass (ugC/liter) number microgramPerLiter     .=Missing or Not Measured

Please contact arc_im@mbl.edu with questions, comments, or for technical assistance regarding this web site.