Monitoring of Invasive Non Native Species (INNS) Chinese Mitten Crabs (Eriocheir sinensis) on the River Dee 2007 - 2016
The Chinese mitten crab (Eriocheir sinensis) is registered by the Invasive Species Specialist Group (ISSG) of the International Union for Conservation of Nature (IUCN) as one of the top 100 invasive species worldwide. Mitten crabs are a catadromous species, migrating between fresh water and marine environments to reproduce. They spend the majority of their adult life in fresh water habitats, where they mature to reproductive size. Depending on mitten crab population density and habitat suitability, juvenile mitten crabs will migrate large distances up river to mature. The Dee Chinese mitten crab project set out to investigate the population of Chinese mitten crab in the Dee catchment and achieve a number of objectives including awareness raising, trialling and evaluating potential methods to monitor and manage the population and make inferences about the current and future status of the species in the Dee catchment.
- Dull adnabod
- Rhychwant
- Dosbarthiad
- Ansawdd
- Allweddeiriau
- System Cyfeirio Gofodol
- Cynnwys
- Cyfyngiadau
- Cynnal a chadw
- Metadata
Dull adnabod
- Dynodydd
- NRW_DS116496
- Teitl Amgen
-
- 2015 NRW Monitoring of Chinese Mitten Crabs (Eriocheir sinensis) on the River Dee (NNS) MRCCW3000000009C
- Monitro'r Rhywogaeth Estron Oresgynnol cranc maneg Tsieineaidd (Eriocheir sinensis) ar Afon Dyfrdwy 2007 - 2016
- Laith Metadata
- English
- Datganiad
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Methods included search days organised at various sites along the River Dee. In addition to this, survey work was undertaken onboard boats in 2013. Volunteers also assisted with fyke netting, megalopa sample collection and data retrieval from data loggers positioned along the Dee.
- Dyddiad cyfeirnod y set ddata (Cyhoeddiad)
- 2016-02-29
Ystod amser
- Dyddiad cychwyn
- 2007-09-14
- Dyddiad gorffen
- 2015-04-08
- Categori pwnc
-
- Biota
Rhychwant
Rhychwant
- Hyd
- Wales (WLS)
))
Maint Fertigol
- Maint allweddair MEDIN
-
benthic boundary layer
Dosbarthiad
- Fformat - Math a Disgrifiad
-
-
Documents
Documents
()
- Math
-
[A] Currently held in Marine Recorder [B] Spreadsheet available [C] Report in PDF Format
-
Documents
Documents
()
Ansawdd
Ansawdd Data
- Cwmpas Ansawdd
- Dataset
- Datganiad
-
Methods included search days organised at various sites along the River Dee. In addition to this, survey work was undertaken onboard boats in 2013. Volunteers also assisted with fyke netting, megalopa sample collection and data retrieval from data loggers positioned along the Dee.
Allweddeiriau
Allweddair
- Math
- Theme
Dyfyniad
- Dyddiad (Cyhoeddiad)
- 2008-06-01
Allweddair
- NRW Thesaurus
-
- non-native species
- chinese mitten crab
- eriocheir sinensis
- river Dee (afon Dyfrdwy)
- River Dee (Holt To Worthenbury)
- Math
- Theme
Dyfyniad
- Dyddiad (Cyhoeddiad)
- 2023-12-31
Allweddair
- SeaDataNet Parameter Discovery Vocabulary
-
- Zoobenthos taxonomic abundance
- Math
- Theme
Dyfyniad
- Dyddiad (Adolygu)
- 2021-01-06
System Cyfeirio Gofodol
Cynnwys
Gwybodaeth Cynnwys
Proffil CNC
Elfennau CNC
Cyfyngiadau
Cyfyngiadau
Cyfyngiadau ar Fynediad a Defnydd Cyhoeddus
- Math o Gyfyngiad
- Other restrictions
Cyfarwyddeb Cyfyngiadau Mynediad
- Cyfyngiadau
- no limitations
Testun cyfyngiadau mynediad
- Cyfyngiadau eraill
-
There are no access restrictions on this data. NRW may release, publish or disseminate it freely.
Defnyddiwch gyfyngiadau
- Cyfyngiadau Defnyddio
- Other restrictions
- Cyfyngiadau eraill
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© CNC/NRW Data may be re-used under the terms of the Open Government Licence providing it is done so, acknowledging both the source and NRW's copyright. It is the recipient's responsibility to ensure the data is fit for the intended purpose.
Metadata
Metadata
- Dynodydd Ffeil
- 4f4c4942-4343-5764-6473-313136343936 XML
- Laith Metadata
- English
- Dynodydd Rhiant
-
Natural Resources Wales (NRW) Marine Benthic Species and Habitat Collation Held in Marine Recorder
NRW_DS114501
- Math o adnodd
- Dataset
- Dyddiad Metadata
- 2024-05-31T09:41:33.978Z
- Enw Safonol Metadata
- NRW
- Fersiwn Metadata
-
1.0