Connell Rainforest Plot Network: Tropical Rainforest Tree Demographic Data, Davies Creek Plot, Dinden National Park, Queensland, Australia, 1963-2013

Typecollection
TitleConnell Rainforest Plot Network: Tropical Rainforest Tree Demographic Data, Davies Creek Plot, Dinden National Park, Queensland, Australia, 1963-2013
Alternate TitleConnell Rainforest Plot Network: Tropical Rainforest Tree Demographic Data, Dinden National Park Davies Creek, 1963–2013
Collection TypeDataset
Access PrivilegesLong Term Ecological Research Network
DOI - Digital Object Identifier10.25911/5c414576ba900
Metadata LanguageEnglish
Data LanguageEnglish
Brief DescriptionThis rainforest tree demographic data package comprises recruitment, growth and mortality census data for rainforest trees Davies Creek Plot in Dinden National Park, (25 km south west of Cairns), Queensland between 1963-2013.

A synopsis of related data packages which have been collected as part of the Connell Rainforest Plot Network’s full program is provided at https://doi.org/10.25911/5c13444388e1b.
Full DescriptionAbstract: This rainforest tree demographic data package comprises recruitment, growth and mortality census data for rainforest trees Davies Creek Plot in Dinden National Park, (25 km south west of Cairns), Queensland for 1963-2013. This plot consists of one 1.7 hectare plot in tropical rainforest, established in 1963. Rainforest tree attributes recorded comprise the size (height or girth) of tagged and mapped, free-standing stems of shrub and tree species. Sampling has been undertaken at intervals of 1-6 years. The Davies Creek Plot was incorporated over an existing 0.4 ha plot established by the Queensland Department of Forestry in 1951 (Nicholson et al. 1988), so the central part of the Davies Creek Plot has records extending back more than a decade prior to 1963.

This data package forms part of the collection of vegetation data undertaken at plots situated in both Lamington National Park and Davies Creek initiated by Professor Joseph H. Connell (University of California, Santa Barbara) in 1963.

A synopsis of related data packages which have been collected as part of the Connell Rainforest Plot Network’s full program is provided at https://doi.org/10.25911/5c13444388e1b

Sampling method: The Dinden National Park Plot is a 1.7 hectare plot. The plot was selected by Prof. Joseph H. Connell in 1963 on the advice of his CSIRO collaborators Dr Len Webb and Mr Geoff Tracey, and was chosen for three reasons; it was accessible, it was unlogged, and a smaller 0.4 ha plot belonging to the Queensland Department of Forestry had already been established there in 1951.

This plot is one of two plots established by Connell in 1963 – the other is in subtropical rainforest near O’Reilly’s Guesthouse in Lamington National Park, 65 km south of Brisbane. The same sampling methods are employed at both plots, at intervals of 1-6 years.

Project funding: The National Science Foundation was the sole funder of this research between 1963 and 2003.

Between 2012 and 2018 this project was part of, and funded through the Long Term Ecological Research Network (LTERN) a facility within the Terrestrial Ecosystem Research Network (TERN) and supported by the Australian Government through the National Collaborative Research Infrastructure Strategy.

Methods

Number
1
Title
General
Description
Prof Joseph H. Connell (University of California, Santa Barbara) established a long-term forest dynamics plot in 1963, in tropical rainforest at in Dinden National Park, 25 km south west of Cairns. The plot is 1.7 hectare, and was established over an existing an existing 0.4 ha plot established by the Queensland Department of Forestry in 1951. This plot has never been logged.
Although a summary of methods employed in the study has been provided below, the reader should refer to a comprehensive description of the methods and the plot configuration provided in the Conceptual Design (p 84) and accompanying documentation.
In summary, samples of trees in three broad size classes have been monitored on the plots over several decades. ‘Large trees’ (≥ 10.0 cm dbh) were first tagged, mapped and measured in 1963 across both plots. At the same time, ‘medium trees’ (2.5 cm dbh but < 10.0 cm dbh) were mapped and tagged along several belt transects 6.1 m wide running through the plot, centred on survey lines 20.1 m apart. The medium-tree belt transects comprise 30% of each plot. In 1965, ‘small trees’ (tiny seedlings to saplings < 2.5 cm dbh), were mapped and tagged along narrower transects either 1.8 or 3.6 m wide, centred on the same survey lines used to sample medium trees. Large trees rooted outside the plot boundaries, but whose canopies extended over the plots have also been monitored.
Large and medium trees are tagged with numbered aluminium tree tags inscribed with a unique number, nailed into the trunk with galvanized nails. Small trees are also tagged with numbered aluminium tags, attached to the plant using loops of insulated copper wire. The plots are laid out and trees are mapped using imperial and engineering units (feet and tenths of feet). Large and medium trees are measured for girth at breast height using inches and tenths of inches, and small trees are measured for height in feet and tenths of feet. These are converted to SI Units for analyses and publication. The belt transects comprise 30% of each plot. The seedlings of vines are occasionally tagged by inexperienced workers, but these are excluded from analyses.
Instrument
Measuring tapes especially imported from the United States – feet and tenths of feet, and inches and tenths of inches. Star pickets marks the ends of transects, and short steel posts mark transects at 25 feet intervals. Plants are tagged with numbered aluminium tags, attached to the plant using loops of insulated copper wire on smaller stems, or nailed onto larger stems. There are no environmental monitoring devices on the plot.


Number
2
Title
Natural disturbance monitoring
Description
Gaps created by the death of large canopy trees have been systematically surveyed many times over the decades until 2002, with the boundaries of the gaps being noted on hand drawn maps. These maps have never been digitized, and the originals are held at the University of California. Copies of some later maps are held by Peter Green at La Trobe University.
Instrument
See instrumentation details in "general" methods section.


Number
3
Title
Floristic identification, vouchers and lists
Description
Voucher specimens have been collected on an ad hoc basis over the years for many individuals on the plot. These specimens are subject to curation at La Trobe University. Species lists are updated as taxonomic changes are published. Major taxonomic revisions of the rainforest Myrtaceae and Lauraceae pose some problems for analyses. These revisions have erected many new species and changed old ones, and of course it is impossible to apply the revised taxonomy to unvouchered specimens (i.e. dead stems).
Instrument


Number
4
Title
Surveys for canopy cover and understorey light environments
Description
Stand structure, canopy cover and variation in understorey light environments have not been measured systematically on the plots. Under LTERN, new surveys for canopy cover and understorey light environments using hemispherical photography are being incorporated into regular plot monitoring.
Instrument


File Descriptions

Name
ltern_crft_tree_demographic_daviescreek_background.csv
Description

"AbsX"
definitionAbsolute X coordinate (ft)
interval number typereal
interval standard unitfoot
"AbsY"
definitionAbsolute Y coordinate (ft)
ratio number typereal
ratio standard unitfoot
"Area"
definitionLocation
nominal text definitionCharacter
"Comment"
definitionComment
nominal text definitionText
"Dead"
date time formatYYYY
definitionDate of census that death was recorded
"Family"
definitionPlant family
nominal text definitionText
"G.1978"
definitionGirth at 1978
ratio number typereal
ratio standard unitinch
"G.1986"
definitionGirth in 1986
ratio number typereal
ratio standard unitinch
"G.1992"
definitionGirth in 1992
ratio number typereal
ratio standard unitinch
"G.1996"
definitionGirth in 1996
ratio number typereal
ratio standard unitinch
"G.2006"
definitionGirth in 2006
ratio number typereal
ratio standard unitinch
"G.2013"
definitionGirth in 2013
ratio number typereal
ratio standard unitinch
"G.Map"
definitionGirth at date of first mapping (inches)
ratio number typereal
ratio standard unitinch
"H.1978"
definitionHeight in 1978
ratio number typereal
ratio standard unitfoot
"H.1986"
definitionHeight in 1986
ratio number typereal
ratio standard unitfoot
"H.1992"
definitionHeight in 1992
ratio number typereal
ratio standard unitfoot
"H.1998"
definitionHeight in 1998
ratio number typereal
ratio standard unitfoot
"H.2006"
definitionHeight in 2006
ratio number typereal
ratio standard unitfoot
"H.2013"
definitionHeight at 2013
ratio number typereal
ratio standard unitfoot
"H.Map"
definitionHeight at date of first mapping (ft)
ratio number typereal
ratio standard unitfoot
"Idx1"
definitionIndex 1
nominal enumeration codes
1large trees whose size was measured as diameter, not girth, due to the presence of large buttresses. In 1992 most of these were remeasured as girth above the buttress, from 6 to 12ft above the ground. The 1992 data are OK for basal area, but since measurements before 1992 are inaccurate, they should be omitted when calculating basal area or analysing growth.
2trees found in field in 1992 and 1993 which could not be located in the Master File, so original field notes need to be consulted before these can be used for analysis
3those seedling recruits from incomplete surveys which were dead the next complete recruitment survey. Omit from analysis of recruitment. The years are as follows: O’Reilly’s: 1963 dead 65, O’Reilly’s & Davies Creek: 1976 dead 78, O’Reilly’s & Davies Creek: 1992 dead 93
6trees > 25.0" Girth 1, that occur at O’Reilly’s on Line 5, x=300 to 1800. They were mapped in 1963 and have been census and remeasured fairly regularly. They should be included only in those analyses in which only trees >25.0 girth are used, where they will be useful to increase sample sizes of larger trees.
NAN/A
"Idx2"
definitionIndex 2
nominal enumeration codes
9At both sites, individuals that occur beyond the boundaries of the standard census areas. Omit from most analyses
NAN/A
"Idx3"
definitionIndex 3
nominal enumeration codes
1Standing trees
2Top off, died back
3Dead or missing, no obvious cause apparent
4Trunk broken when tree was alive
5Uprooted when tree was alive
7Fell, unknown whether broken or uprooted
8Killed or badly damaged by nearby tree fall
NAN/A
"Idx4"
definitionIndex 4
nominal enumeration codes
1Uknown
NAN/A
"Line"
definitionLine number (belt transect numeric identifier)
nominal text definitionCharacter
"Map"
date time formatYYYY
definitionDate the stem(s) were originally mapped
"RcID"
definitionRecord identification number
nominal text definitionCharacter
"Repl"
definitionNo. of replicate plant for counts of seedlings within a 3x3 ft square, used when new seedlings are too numerous to tag and map individually
ratio number typewhole
ratio standard unitnumber
"Spec"
definitionSpecies code number
nominal text definitionText
"Species"
definitionSpecies recorded
nominal text definitionText
"Tag"
definitionTag number numeric identifier
nominal text definitionCharacter
"X"
definitionX coordinates (ft) Chainage (feet)
interval number typereal
interval standard unitfoot
"Y"
definitionY coordinates chainage (feet)
ratio number typereal
ratio standard unitfoot
number of records60616


Contact EmailP.Green@latrobe.edu.au
Contact AddressDepartment of Ecology, Evolution and Environment
La Trobe University
Bundoora, Vic., 3086
Australia

Contact Phone Number+61 3 9479 3675
Contact Fax Number+61 3 9479 1188
Principal InvestigatorPeter Green
SupervisorsPeter Green
CollaboratorsDick Williams
La Trobe University
Joseph Connell
Fields of Research0602 - Ecology
KeywordsGCMD:Biological Classification > Plants
GCMD:Biosphere > Ecological Dynamics > Community Dynamics
GCMD:Biosphere > Ecological Dynamics > Species/Population Dynamics
GCMD:Biosphere > Terrestrial Ecosystems > Forests
LTERN Monitoring Theme:Vegetation structure
LTERN Monitoring Theme:Plant species composition
LTERN Monitoring Theme:Plant species abundance
LTERN Monitoring Theme:Individual plants
LTERN Monitoring Theme:On plot weather
keyword:Girth
keyword:Height
keyword:Diameter
keyword:Population dynamics
keyword:Seedling recruitment
keyword:Tropical
Connell Rainforest
Davies Creek
Tropical Rainforest Tree Demographic Data, Dinden National Park
Type of Research ActivityStrategic basic research
Date Coverage
Date FromDate To
19632013
Geospatial Location
Location TypeLocation Value
TextDavies Creek Plot, Dinden National Park, Queensland
DCMI Box notation conformant with iso 19139northlimit = -17.0316; southlimit = -17.0361; westlimit = 145.622; eastLimit = 145.626
Date of data creation2014-08-15
Year of data publication2014
Creator(s) for Citation
Given NameSurname
PeterGreen
Publisher for CitationLong Term Ecological Research Network (LTERN), ANU Data Commons, The Australian National University
Related Websites
URLTitle
https://hdl.handle.net/1885/130861ANU Open Research, Long Term Ecological Research Network (LTERN) collection.
Other Related IdentifiersMorphoId:ltern2.84
PackageId:59
Access RightsBackground data (i.e. data collected prior to 2012) must remain mediated and requires permission from Dr Peter Green because of co-ownership with Joseph H. Connell.

Prior to publication of research utilising this data - the data provider (Dr Peter Green) also requests consultation.



Access Rights TypeRestricted
Rights held in and over the dataAusGoal Restrictive Licence - This licence has been developed specifically for material that may contain personal or other confidential information. It may also be used for other reasons, including material to be licenced under some form of limiting or restrictive condition.
Licence TypeAusGoalRestrictive - AusGoal Restrictive Licence
LicenceLTERN Deed: 49
Date of execution: 2018-01-22
Restrictions: Background data (i.e. data collected prior to 2012) must remain mediated because of co-ownership with Joseph H. Connell.
Retention PeriodIndefinitely
Data Management PlanNo
Status: Published
Published To:
- Australian National University
- Australian National Data Service
Identifier: anudc:5739
Please login to request access to this dataset
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