1

column

;

catalogNumber

Catalog Number

An identifier (preferably unique) for the record within the data set or collection.

country

Country

The name of the country or major administrative unit in which the dcterms:Location occurs.

locality

Locality

The specific description of the place.

month

Month

The integer month in which the dwc:Event occurred.

year

Year

The four-digit year in which the dwc:Event occurred, according to the Common Era Calendar.

eventDate

Event Date

The date-time or interval during which a dwc:Event occurred. For occurrences, this is the date-time when the dwc:Event was recorded. Not suitable for a time in a geological context.

parentEventID

Parent Event ID

An identifier for the broader dwc:Event that groups this and potentially other dwc:Events.

decimalLatitude

Decimal Latitude

The geographic latitude (in decimal degrees, using the spatial reference system given in dwc:geodeticDatum) of the geographic center of a dcterms:Location. Positive values are north of the Equator, negative values are south of it. Legal values lie between -90 and 90, inclusive.

degree

decimalLongitude

Decimal Longitude

The geographic longitude (in decimal degrees, using the spatial reference system given in dwc:geodeticDatum) of the geographic center of a dcterms:Location. Positive values are east of the Greenwich Meridian, negative values are west of it. Legal values lie between -180 and 180, inclusive.

degree

anthropogenicDisturbance

Anthropogenic disturbance

Disturbance brought about by human activity.

ramsarSite

Ramsar site

A Ramsar site is a wetland site designated to be of international importance under the Ramsar Convention.

natura2000Site

Natura 2000 site

Natura 2000 sites are a European network of protected areas established to conserve rare or threatened habitats and wildlife species.

localProtectionPlan

Local protection plan

Local protection plan indicates the presence or absence of a local protection plan within the investigated ecosystem.

area

Area

The extent of a 2-dimensional surface enclosed within a boundary.

kilometerSquared

outletLength

Outlet length

The linear extent in space from one end of something to the other end, or the extent of something from beginning to end.

kilometer

outletWidth

Outlet width

The extent or measurement of something from side to side.

kilometer

sinuosityIndex

Sinuosity Index

Sinuosity index is a dimensionless geomorphic metric that quantifies the curvature of rivers, streams, and lagoons. It is commonly used to classify transitional water ecosystems, as channel curvature influences hydrodynamics and, consequently, the abundance and distribution of benthic macroinvertebrates and phytoplankton guilds.

dimensionless

tidalRange

Tidal range

The difference in height between the high tide and the low tide.

meter

waterBodyAmmonium

Water body ammonium

Concentration of ammonium per unit volume of a river, estuary, sea or ocean by any method in filtered or unfiltered water.

micromolePerLiter

nitrite

Nitrite

Concentration of nitrite nitrogen per unit volume of the water column.

micromolePerLiter

nitrate

Nitrate

Concentration of nitrate nitrogen per unit volume of the water column.

micromolePerLiter

dissolvedInorganicNitrogen

Dissolved inorganic nitrogen

The sum of nitrate, nitrite, and ammonium concentrations.

micromolePerLiter

phosphate

Phosphate

Phosphate concentration in the water sample.

micromolePerLiter

silicate

Silicates

Concentrations of dissolved inorganic silicon usually as hydrosilicic acid (often called silicate) and biogenic silica.

micromolePerLiter

depth

Depth

Depth is the vertical distance below the surface.

centimeter

waterTemperature

Water temperature

Water temperature measured in situ.

celsius

conductivity

Conductivity

The ability of an object to conduct an electric current and resistivity is a physical quantity that reflects the electrical conductivity of a material.

microsiemens per centimeter

totalDissolvedSolids

Total dissolved solids

Total concentration of dissolved substances (such as calcium, magnesium, sodium, chlorides, sulfates, and bicarbonates) and small amounts of dissolved organic matter in water.

microgramPerLiter

salinity

Salinity

Salinity is the saltiness or dissolved salt content of a body of water (see also soil salinity). Salinity is an important factor in determining many aspects of the chemistry of natural waters and of biological processes within it, and is a thermodynamic state variable that, along with temperature and pressure, governs physical characteristics like the density and heat capacity of the water.

PSU

oxygenSaturation

Oxygen saturation

Oxygen saturation in water measures dissolved oxygen (DO) relative to the maximum possible concentration.

percent

dissolvedOxygen

Dissolved oxygen

Dissolved oxygen (DO) is the amount of oxygen that is present in water.

milligramPerLiter

pH

pH

Minus the log of the hydrogen ion concentration (moles per litre) in the water column.

dimensionless

1

column

,

catalogNumber

Catalog Number

An identifier (preferably unique) for the record within the data set or collection.

organismQuantity

Organism Quantity

A number or enumeration value for the quantity of dwc:Organisms.

number

organismQuantityType

Organism Quantity Type

he type of quantification system used for the quantity of dwc:Organisms.

parentEventID

Parent Event ID

An identifier for the broader dwc:Event that groups this and potentially other dwc:Events.

eventID

Event ID

An identifier for the set of information associated with a dwc:Event (something that occurs at a place and time). May be a global unique identifier or an identifier specific to the data set.

country

Country

The name of the country or major administrative unit in which the dcterms:Location occurs.

countryCode

Country Code

The standard code for the country in which the dcterms:Location occurs.

locality

Locality

The specific description of the place.

decimalLatitude

Decimal Latitude

The geographic latitude (in decimal degrees, using the spatial reference system given in dwc:geodeticDatum) of the geographic center of a dcterms:Location. Positive values are north of the Equator, negative values are south of it. Legal values lie between -90 and 90, inclusive.

degree

decimalLongitude

Decimal Longitude

The geographic longitude (in decimal degrees, using the spatial reference system given in dwc:geodeticDatum) of the geographic center of a dcterms:Location. Positive values are east of the Greenwich Meridian, negative values are west of it. Legal values lie between -180 and 180, inclusive.

degree

month

Month

The integer month in which the dwc:Event occurred.

year

Year

The four-digit year in which the dwc:Event occurred, according to the Common Era Calendar.

eventDate

Event Date

The date-time or interval during which a dwc:Event occurred.

verbatimIdentification

Verbatim Identification

A string representing the taxonomic identification as it appeared in the original record.

phylum

Phylum

The full scientific name of the phylum or division in which the dwc:Taxon is classified.

subphylum

Subphylum

The full scientific name of the subphylum in which the dwc:Taxon is classified.

class

Class

The full scientific name of the class in which the dwc:Taxon is classified.

subclass

Subclass

The full scientific name of the subclass in which the dwc:Taxon is classified.

order

Order

The full scientific name of the order in which the dwc:Taxon is classified.

suborder

Suborder

The full scientific name of the suborder in which the dwc:Taxon is classified.

family

Family

The full scientific name of the family in which the dwc:Taxon is classified.

subfamily

Subfamily

The full scientific name of the subfamily in which the dwc:Taxon is classified.

genus

Genus

The full scientific name of the genus in which the dwc:Taxon is classified.

specificEpithet

Specific Epithet

The name of the first or species epithet of the dwc:scientificName.

infraspecificEpithet

Infraspecific Epithet

The name of the lowest or terminal infraspecific epithet of the dwc:scientificName, excluding any rank designation.

scientificName

Scientific Name

The full scientific name, with authorship and date information if known.

acceptedNameUsage

Accepted Name Usage

The full name, with authorship and date information if known, of the currently valid (zoological) or accepted (botanical) dwc:Taxon.

scientificNameAuthorship

Scientific Name Authorship

The authorship information for the dwc:scientificName formatted according to the conventions of the applicable dwc:nomenclaturalCode.

taxonRank

Taxon Rank

The taxonomic rank of the most specific name in the dwc:scientificName.

measurementRemarks

Measurement Remarks

Comments or notes accompanying the measurements.

shape

Shape

The approximate shape of an organism.

taxonRemark

Taxon Remarks

Comments or notes about the taxon or name.

cellLength

Cell length

The total distance from point to point along the longest axis of a cell.

micrometer

cellWidth

Cell width

The shortest linear dimension of a cell, measured perpendicular to its length, from end to end along the shortest axis of the cell.

micrometer

a

a

The linear dimension corresponding to the distance between two points (PATO:0000122). It is usually indicated by the alphabetical code a, and/or l. In particular, in the case of complex shapes, there is more than one length, identified by different alphanumeric codes a1, a2, a3, l1, l2, l3, l4.

micrometer

b

b

The linear dimension corresponding to the distance from one side of an object to the opposite side (PATO:0000921). It is usually indicated by the alphabetical code b or d. In particular, for complex shapes, there is more than one width, identified by different alphanumeric codes b1, b2, b3, b4, d1, d11, d2, d22, d3, d33, d4, d44.

micrometer

c

c

The linear dimension measured through an object as opposed to its length or width (PATO:0000915). It is usually indicated by the alphabetical code c or h. In particular, for complex shapes, there is more than one thickness, identified by different alphanumeric codes c1, c2, c3, h1, h2, h3, h4.

micrometer

d

d

The linear dimension corresponding to the distance from one side of an object to the opposite side (PATO:0000921). It is usually indicated by the alphabetical code b or d. In particular, for complex shapes, there is more than one width, identified by different alphanumeric codes b1, b2, b3, b4, d1, d11, d2, d22, d3, d33, d4, d44.

micrometer

h

h

The linear dimension measured through an object as opposed to its length or width (PATO:0000915). It is usually indicated by the alphabetical code c or h. In particular, for complex shapes, there is more than one thickness, identified by different alphanumeric codes c1, c2, c3, h1, h2, h3, h4.

micrometer

density

Density

The number of organisms, designated by taxonomic names (e.g. species, genus, family), per unit area or per unit volume.

cell per litre

biovolume

Biovolume

Volume of an organism (cell or colony). It is calculated according to the geometric equations, after association of geometric shape to the real shape of the organism and measurements of linear dimensions (length, width). It is used for samples that are analysed by imaging systems.

cubic micrometer

carbonContent

Carbon content

Carbon content determined directly as particulate organic carbon of individual organisms or bulk communities, or indirectly by converting biovolume to carbon using empirical or theoretically derived equations.

picogram Carbon per cell

biomass

Biomass

The amount of living organic matter per unit area or per unit volume. It can be expressed in terms of biovolume, weight or carbon content and can be measured at different organisational levels.

nanogram