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2019-11-28 SM Agenda - Item 1 - Attachment 1 - Draft Noosa River Plan
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Log in to see the plans as drawnRural runoff This study provides the basis of partner project Keep
It in Kin Kin which aims to reduce rur���� , improve
Landholder extension programs enable rural sectors
to achieve best management pr������� e the
not been undertaken. Without a means to quan� y
the sediment loads delivered to waterways from
The hinterland sub-catchments within the broader land management pr������� otect riparian areas preferred non-statutory approach by governments unsealed rural roads it is an���ted this poten���
Noosa River catchment have the poten��� o deliver and wetlands. and those in the rural sector. ���������� ce will con����� ted. A rural
sediment�������W o waterways and wetlands roads sediment study is required focused on unsealed
when it rains, especially f������ ed areas which The LIDAR imagery from 2008 to 2015 was compared to These programs can cover a wide range of land roads and drainage channeliza��
have typically been replaced by agricultural lands and iden�y erosion hotspots most in need of interven�� management and pr���������������
road networks. to keep soil on the land and out of waterways. The health, grazing and use of f���� s and chemicals.
analysis revealed that up to 2.3 million tonnes of For example, throughout catchments in central and
This tr������� volved broad clearing across sediment was mobilised in this area over a 7 year northern Queensland, landholder extension programs
the landscape (including hill slopes) for crop growing period. Based on an average soil replacement cost of are being implemented to help reduce the impacts of
DRAFT
and animal raising and has made these landscapes $30/tonne, the cost of this soil pr�������� xceeds rur������ to the Great Barrier Reef.
vulnerable to soil loss. $6M. The LIDAR study provides relevant, science-based
research to inform management of landslips, erosion An extension program requires a long-term
���� om these areas can contain elevated quan��� hotspots and where to target investments to repair commitment to landholders. The Keep It in Kin Kin
of sediment, nutrients and chemical contaminants (e.g. degraded waterways and wetlands. partner project delivers some landholder extension
animal faeces, f���� s and pes��������� obial ������� oughout the sub-catchment. This program
contaminants. All the Shire’s residents have an ‘environmental duty of is an important mechanism to foster sustainable land
care’ under the Environment Prot������ o ensure use in rural areas and will be further supported.
The Kin Kin sub-catchment is the largest area of ������������������� ersely a�ect
������� ape in the Noosa catchment and a environment��� ws, water quality, riparian areas, Unsealed rural roads
major source of sediments entering waterways. wetlands and in-stream habitats. However there is a
lack of a specialised advice and on-ground pr�� al As well as farming pr���������� al roads are
In 2015, the Noosa Biosphere Reserve Founda�� support in this area for rural landholders. poten��������� ce of sediment entering local
Climate change considerations
commissioned Noosa and District Landcare to waterways when it rains. A study by SEQ Catchments
undertake a LIDAR (Light Det���������V tudy. iden�������� oads contribute more sediment Pr��� e modelling scenarios an��� te more
than gravelled roads. An unsealed road is categorised frequent and intense storms are likely to create higher
as a route accessible by vehicles that are not sealed, �ws in freshwater creeks and estuaries r������
metalled, or gravel roads. mor���� , increased bank erosion and landslips,
exacerba������ ����������� essures.
���� al factor in determining the con������
sediment from unsealed roads to waterways relates During extended dry c������� ws in freshwater
to the level of c��������W able drains’ entering creeks and estuaries are likely to decline and a�ect
these receiving waterways. A table drain is a v-shaped,
waterways recrea������ ��� e. Sea level rise is
trapezoidal or parabolic shaped surface drain located likely to increase water levels in the estuary and place
immediately adjacent to the edge of a road. more pressure on na�e species, impact wetlands
and make c������ e favourable for some pest
This research demonstrated that lowering c������
animal and plant species in the future.
to waterways requires that water is either discharged
from table drains or spread across vegetated
landscapes where the sediment can se������� w
is directed into deten������ or sediment se����
Council builds and maintains all roads in the Shire to
the Australian Standards, however an inves�a����
the sediment con������ om unsealed rural roads
to local waterways in the Noosa River catchment has
Kin Kin landslip
26 27
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Rural runoff This study provides the basis of partner project Keep Landholder extension programs enable rural sectors not been undertaken. Without a means to quan yP
It in Kin Kin which aims to reduce rur , infprove to achieve best management pr e thé the sediment loads delivered to waterways from
The hinterland sub-catchments within the broader land management pr otect riparian areas preferred non-statutory approach by governments unsealed rural roads it is an ted this poten ?
Noosa River catchment have the poten o deliver and wetlands. and those in the rural sector. ce will con td. A rural
sediment o waterways and wetlands roads sediment study is required focused on unsealed
when it rains, especially f ed areas which The LIDAR imagery from 2008 to 2015 was compared to These programs can cover a wide range of land roads and drainage channeliza ?
iden y Brosion hotspots most in need of interven ? management and pr
have typically been replaced by agricultural lands and
road networks. to keep soil on the land and out of waterways. The health, grazing and use of f s ara] chemicals.
analysis revealed that up to 2.3 million tonnes of For example, throughout catchments in central and
This tr volvAd broad clearing across sediment was mobilised in this area over a 7 year northern Queensland, landholder extension programs —. A
the landscape (including hill slopes) for crop growing period. Based on an average soil replacement cost of are being implemented to help reduce the impacts of
and animal raising and has made these landscapes $30/tonne, the cost of this soil pr xcee és rur to the Great Barrier Reef. i<:
vulnerable to soil loss. S6M. The LIDAR study provides relevant, science-based
research to inform management of landslips, erosion An extension program requires a long-term - 2
orfilthese areas can contain elevated quan hotspots and where to target investments to repair commitment to landholders. The Keep It in Kin Kin
ae;
of sediment, nutrients and chemical contaminants (e.g degraded waterways and wetlands. partner project delivers some landholder extension
animal faeces, f s aril pes obial oughout the sub-catchment. This program
contaminants. All the Shire’s residents have an ‘environmental duty of is an important mechanism to foster sustainable land
care’ under the Environment Prot o ensure use in rural areas and will be further supported.
The Kin Kin sub-catchment is the largest area of ersely a ect
ap@ in the Noosa catchment and a environment ws, water quality, riparian areas, Unsealed rural roads a
hae Sh a
major source of sediments entering waterways. wetlands and in-stream habitats. However there is a &-
lack of a specialised advice and on-ground pr ale As well as farming pr al roa@ls are Lm
In 2015, the Noosa Biosphere Reserve Founda ? support in this area for rural landholders. poten ce of &ediment entering local Climate change considerations
commissioned Noosa and District Landcare to waterways when it rains. A study by SEQ Catchments
undertake a LIDAR (Light Det tudyal iden oadsktontribute more sediment Pr e Bhodelling scenarios an te more
than gravelled roads. An unsealed road is categorised frequent and intense storms are likely to create higher
as a route accessible by vehicles that are not sealed, wé in freshwater creeks and estuaries r
metalled, or gravel roads. mor , increased bank erosion and landslips,
exacerba essures.
al factor in determining the con
sediment from unsealed roads to waterways relates During extended dry c ws in freshwater
to the level of c able drains’ entering creeks and estuaries are likely to decline anda ect
these receiving waterways. A table drain is a v-shaped, waterways recrea ale. S@b level rise is
trapezoidal or parabolic shaped surface drain located likely to increase water levels in the estuary and place
immediately adjacent to the edge of a road. more pressure on na elSpecies, impact wetlands
and make c e favourable for some pest
This research demonstrated that lowering c
animal and plant species in the future.
to waterways requires that water is either discharged
from table drains or spread across vegetated
landscapes where the sediment can se
is directed into deten or s@diment se
Council builds and maintains all roads in the Shire to
the Australian Standards, however an inves al
the sediment con om unsealed rural roads
to local waterways in the Noosa River catchment has
Kin Kin landslip
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