Seagrass Watch

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Information about Seagrass Watch

Published on October 15, 2008

Author: greatermary

Source: slideshare.net

Description

Presentation at "The River, the Bay and the Strait" public forum on 5 October, 2008 in Hervey Bay.

Seagrasses in the Great Sandy Strait Presented by: Gordon Cottle Great Sandy Strait Seagrass Watch & Monitoring Program

Great Sandy Strait Photo courtesy EPA

Background 1992 cyclone Severe flooding in Hervey Bay area Seagrass loss of approx 1000 sq kms Dugong deaths upwards of 1000

1992 cyclone

Severe flooding in Hervey Bay area

Seagrass loss of approx 1000 sq kms

Dugong deaths upwards of 1000

Seagrass-Watch 1996/7 seagrass beds not recovered – Jerry Comans 1998 Seagrass Watch established – community based seagrass monitoring program From 2 to 20 regions 21 countries globally Over 200 regions

1996/7 seagrass beds not recovered – Jerry Comans

1998 Seagrass Watch established – community based seagrass monitoring program

From 2 to 20 regions

21 countries globally

Over 200 regions

GSSSW&MP 18 Sites 10 Sites accessible by boat only

18 Sites

10 Sites accessible by boat only

Seagrasses Unique flowering plants Can live entirely submerged Pollinate under water 15 species found in Qld Absorb nutrients, stabilise sediment Habitat for crustacea, fish, turtles, dugong (dugong feeding trail seen in photo)

Unique flowering plants

Can live entirely submerged

Pollinate under water

15 species found in Qld

Absorb nutrients, stabilise sediment

Habitat for crustacea, fish, turtles, dugong (dugong feeding trail seen in photo)

Seagrasses in GSS 5,554 hectares of seagrass meadows Grow on intertidal sand and mud flats 4 species in GSS Pictures: www.reef.crc.org.au

5,554 hectares of seagrass meadows

Grow on intertidal sand and mud flats

4 species in GSS

Site Layout Quadrat code = site + transect + quadrat Eg PN1225 = Poona site 1, transect 2, 25m quadrat

Quadrat code = site + transect + quadrat

Eg PN1225 = Poona site 1, transect 2, 25m quadrat

Data Sheet www.seagrasswatch..org

GSSSW&MP

GSSSW&MP

GSSSW&MP

Seagrass-Watch HQ Receive and analyse all data Provide a site overview and report card Sites given a ‘health’ rating Data used for planning decisions

Receive and analyse all data

Provide a site overview and report card

Sites given a ‘health’ rating

Data used for planning decisions

GSSSW&MP POONA

 

Dugong dugon

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