Australian Natural Resources Atlas

Natural Resource Topics

Biodiversity Assessment - Nsw North Coast

Riparian Zones

Table: Riparian Zones: their average condition, trend and threatening processes for each subregion.
Reliability assessment Condition Trend Threatening processes Threatening processes notes
Clarence Basin (NNC11)
Anecdotal  Fair (Recovery requires significant intervention) Declining Broad scale vegetation clearing Agricultural clearing
      Changed fire regimes Frequent severe fires
      Changed hydrology - other Over extraction of stream flow from catchment areas
      Exotic weeds Madiera vine, Ballooon Vine, Cats Claw creeper, Lantana
      Grazing pressure Uncontrolled access of stock with resultant negative impacts upon bank stability and remnant native vegetation
      Increasing fragmentation and loss of remnants No data 
      Other - describe

Unsustainable logging resulting in loss of diversity and reduction of biomass and contributing to reduced water flow availability.

Urban development
      Pollution Pollution from agriculture - esp sugarcane farming
Manning - Macleay (NNC2)
Anecdotal  Fair (Recovery requires significant intervention) Declining Broad scale vegetation clearing Agricultural clearing, plantation establishment
      Changed fire regimes Frequent severe fires
      Changed hydrology - other Over extraction of stream flow from catchment areas and aquifiers, altered hydrological regimes as a result of conversion of oldgrowth to regrowth
      Exotic weeds Camphor laurel, Lantana, Privet, willow, blackberry, honeysuckle, Broome
      Feral animals Feral horses
      Grazing pressure Uncontrolled access of stock with resultant negative impacts upon bank stability and remnant native vegetation
      Increasing fragmentation and loss of remnants No data 
      Other - describe

Gravel extraction from rivers

Mining

Unsustainable logging resulting in loss of diversity and reduction of biomass and contributing to reduced water flow availability.

Urban development
      Pollution Pollution from agriculture and plantations - sugarcane, banana, macadamia, eucalypt plantations etc
Murwillumbah (NNC13)
Anecdotal  Degraded (Recovery unlikely in medium term) Rapidly declining Broad scale vegetation clearing No data 
      Changed hydrology - other No data 
      Exotic weeds "Madiera vine, Ballooon Vine, Cats Claw creeper, Camphor Laurel, Lantana"
      Increasing fragmentation and loss of remnants No data 
      Other - describe Urban development
      Pollution "Pollution from agriculture and plantations - sugarcane, macadamia, eucalypt plantations etc"
Nymboida (NNC1)
Anecdotal  Good (Recovery requires little intervention) Declining Broad scale vegetation clearing No data 
      Changed fire regimes Frequent severe fires
      Changed hydrology - other Over extraction of stream flow from catchment areas, altered hydrological regimes as a result of conversion of oldgrowth to regrowth
      Exotic weeds "Lantana, Croftons Weed"
      Grazing pressure Uncontrolled access of stock with resultant negative impacts upon bank stability and remnant native vegetation
      Other - describe Unsustainable logging resulting in loss of diversity and reduction of biomass and contributing to reduced water flow availability.
Richmond - Tweed (NNC12)
Anecdotal  Degraded (Recovery unlikely in medium term) Rapidly declining Broad scale vegetation clearing No data 
      Changed hydrology - other No data 
      Exotic weeds "Madiera vine, Ballooon Vine, Cats Claw creeper, Camphor Laurel, Lantana"
      Increasing fragmentation and loss of remnants No data 
      Other - describe Urban development
      Pollution "Pollution from agriculture and plantations - sugarcane, macadamia, eucalypt plantations etc"
Scenic Rim (NNC15)
Quantitative and qualitative  Degraded (Recovery unlikely in medium term) Static Exotic weeds No data 
      Feral animals No data 
      Grazing pressure No data 
      Increasing fragmentation and loss of remnants No data 
Southern Coastal Lowlands (NNC14)
Anecdotal  Degraded (Recovery unlikely in medium term) Rapidly declining Broad scale vegetation clearing No data 
      Changed hydrology - other No data 
      Exotic weeds "Madiera vine, Ballooon Vine, Cats Claw creeper, Camphor Laurel, Lantana"
      Increasing fragmentation and loss of remnants No data 
      Other - describe Urban development
      Pollution "Pollution from agriculture and plantations - sugarcane, macadamia, eucalypt plantations etc"
Woodenbong (NNC10)
Anecdotal  Fair (Recovery requires significant intervention) Rapidly declining Broad scale vegetation clearing No data 
      Changed hydrology - other Over extraction of stream flow from catchment areas
      Exotic weeds No data 
      Grazing pressure Uncontrolled access of stock with resultant negative impacts upon bank stability and remnant native vegetation
      Other - describe Unsustainable logging resulting in loss of diversity and reduction of biomass and contributing to reduced water flow availability.

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