Mangroves marching northward: the impacts of rising seas and temperatures on ecosystems at Kennedy Space Center
Cheryl
Doughty
cdoughty@ucla.edu
J. Adam
Langley
Wayne
Walker
Ilka C.
Feller
Ronald
Schaub
Samantha
Chapman
2019
The climate change-induced expansion of mangroves into salt marshes could significantly alter the carbon (C) storage capacity of coastal wetlands, which have the highest average C storage per land area among unmanaged terrestrial ecosystems. Mangrove range expansion is occurring globally, but little is known about how these rapid climate-driven shifts may alter ecosystem C storage. Here, we quantify current C stocks in ecotonal wetlands across gradients of marsh- to mangrove-dominance, and use unique chronological maps of vegetation cover to estimate C Stock changes from 2003 to 2010 in a 567-km2 wildlife refuge in the mangrove-salt marsh ecotone. This data release is associated with the following publication in Estuaries and Coasts: https://doi.org/10.1007/s12237-015-9993-8.
Climate change
Range expansion
Ecotone
Carbon storage
Mangrove
Salt marsh
This dataset is listed under a Creative Commons BY 4.0 and can be used with attribution. https://creativecommons.org/licenses/by/4.0/
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2013
2015
Species
Avicennia germinans
Species
Batis maritima
Species
Distichlis spicata
Species
Laguncularia racemosa
Species
Rhizophora mangle
Species
Salicornia bigelovii
Species
Spartina alterniflora
Cheryl
Doughty
cdoughty@ucla.edu
doughty_et_al_2019_methods_data
Methods information for study
doughty_et_al_2019_materials_and_methods.csv
\n\r
column
,
study_id
Unique identifier for the study made up of the first author's family name, as well as the second author's or 'et al.' if more than three, then publication year spearated by underscores. See worksCited.bib for more detail.
string
Free text
coring_method
Code indicating what type of device was used to collect soil depth profiles.
string
other shallow corer
Any other type of coring device typically taking cores shallower than 30 centimeters
roots_flag
Code indicating whether live roots were included or excluded from carbon assessments.
string
roots and rhizomes separated
Roots and rhizomes were separated from soil before dry bulk density and or organic matter and carbon measurements.
sediment_sieved_flag
Code indicating whether or not sediment was sieved prior to carbon measurements.
string
sediment not sieved
Sediment was not sieved prior to analysis for organics.
compaction_flag
Code indicating how the authors qualified or quantified compaction of the core.
string
compaction quantified
Compaction was quantified and corrected for in core based measurements
dry_bulk_density_temperature
Temperature at which samples were dried to measure dry bulk density. This can include either samples that were freeze dried or oven dried.
float
celsius
real
dry_bulk_density_time
Time over which samples were dried to measure dry bulk density.
float
hour
integer
dry_bulk_density_flag
Any notable codes regarding how the authors quantified dry bulk density.
string
air dried to constant mass
Methodology specified that samples were air dried to a constant mass
to constant mass
Bulk density methodology did not specify drying temperature or length, only that samples were dried to a constant mass
carbon_measured_or_modeled
Code indicating whether fraction carbon was measured or estimated as a function of organic matter.
string
measured
Fraction carbon was measured as opposed to modeled
carbonates_removed
Whether or not carbonates were removed prior to calculating fraction organic carbon.
string
FALSE
Carbonates were not removed before measuring organic carbon
fraction_carbon_method
Code indicating the method for which fraction carbon was measured or modeled (Note: regression based models are permitted, but the use of the Bemmelen factor [0.58 gOC gOM-1] is discouraged).
string
EA
Each sample presented was measured using Elemental Analysis
fraction_carbon_type
Code indicating whether fraction_carbon refers to organic or total carbon.
string
total carbon
Author specified that fraction carbon measurements were of total carbon.
doughty_et_al_2019_core_data
Soil core information
doughty_et_al_2019_cores.csv
\n\r
column
,
study_id
Unique identifier for the study made up of the first author's family name, as well as the second author's or 'et al.' if more than three, then publication year spearated by underscores. See worksCited.bib for more detail.
string
Free text
site_id
Site identification code unique to each study.
string
Free text
core_id
Core identification code unique to each site.
string
Free text
core_date
Date of core collection.
date
YYYY-MM-DD
core_latitude
Positional latitude of the core in decimal degree WGS84.
float
degree
real
core_longitude
Positional longitude of the core in decimal degree WGS84.
float
degree
real
core_position_accuracy
Accuracy of latitude and longitude measurement, if determined and recorded.
float
meter
real
core_position_method
Code indicating how latitude and longitude were determined.
string
handheld
Conventional Commercially available hand-held GPS
salinity_class
Code based on submitter field observation or measurement indicating average annual salinity (Note: Palustrine and freshwater should only include tidal wetlands, or wetlands that are potentially/formerly tidal but artificially freshened due to artificial tidal restrictions).
string
brine
>50 ppt
saline
30-50 ppt
brackish
0.5-30 ppt
salinity_method
Indicate whether salinity_class was determined using a field observation or a measurement
string
measurement
Salinity observed from local instrument.
salinity_notes
Any relevant submitter generated notes on how salinity_class was determined.
string
Free text
vegetation_class
Code based on submitter field observations or measurement indicating dominant wetland vegetation type.
string
emergent
Describes wetlands dominated by persistent emergent vascular plants
scrub shrub
Describes wetlands dominated by woody vegetation < or equal to 5 meters in height
forested
Describes wetlands dominated by woody vegetation > 5 meters in height
vegetation_method
Indicate whether vegetation_class was determined using a field observation or a measurement
string
measurement
Vegetation measured by counts or plots.
vegetation_notes
Any relevant submitter generated notes on how vegetation_class and dominant_species were determined.
string
Free text
core_length_flag
Indicated whether or not the coring team believes they recovered a full sediment profile, down to bedrock, or other non-marsh interface.
string
core depth limited by length of corer
The total depth of the core was limited by the length of the coring device
doughty_et_al_2019_depthseries_data
Soil core depthseries information
doughty_et_al_2019_depthseries.csv
\n\r
column
,
study_id
Unique identifier for the study made up of the first author's family name, as well as the second author's or 'et al.' if more than three, then publication year spearated by underscores. See worksCited.bib for more detail.
string
Free text
site_id
Site identification code unique to each study.
string
Free text
core_id
Core identification code unique to each site.
string
Free text
depth_min
Minimum depth of a sampling increment.
float
centimeter
real
depth_max
Maximum depth of a sampling increment.
float
centimeter
real
dry_bulk_density
Dry mass per unit volume of a soil sample. This does not include ash free bulk density.
float
gramsPerCubicCentimeter
real
fraction_organic_matter
Mass of organic matter relative to sample dry mass. Ash free bulk density should not be used here but should be expressed as a loss on ignition fraction.
float
dimensionless
real
fraction_carbon
Mass of carbon relative to sample dry mass.
float
dimensionless
real
compaction_fraction
Fraction of the sample depth interval reduced due to compaction.
float
dimensionless
real
cubic centimeter