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Biosecurity

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About

[/cs_text][x_columnize]Invasive plants and animals have the potential to impact on production systems through reducing the productivity of grazing lands, yield losses and contamination of agricultural products or through material and labour costs for their control. They also threaten and compete with terrestrial and aquatic biodiversity.

The Queensland Herbarium has recorded more than 300 introduced plant species in the region. Weeds data from the Northern Gulf has identified 56 weeds of importance in the Northern Gulf Region of which 13 were classed as high priority, including bellyache bush, gamba grass, giants rats tail grass, grader grass, hymenachne, partheium, physic nut, prickly acacia, rubber vine, siam weed, sickle pod, water hyacinth and asbestos grass.

Climate change may effect weed spread by creating new opportunities for invasive species to recruit, spread and increase in abundance. Changes in habitat will give opportunities for weeds and exotics to replace natives as the conditions become less than ideal. Increases in the growth and recruitment of invasive weeds are likely to follow severe cyclones. More niches for weeds and ferals will be created with large scale climatic disturbance like strong winds and flooding. Invasive grasses may spread to dominate savanna ecosystems as climatic conditions change.

The pest animals that have the greatest abundance and pose greatest threat to the Northern Gulf ecosystems include feral pigs, cats and dogs. These impact production and ecosystems across the Northern Gulf region by preying upon and competing with native fauna, competing with livestock for native pasture, and degrading habitat by assisting in the spread of invasive weeds. Seasonally inundated waterholes and creek beds in the dry tropics are likely to be increasingly impacted by invasive animals, particularly pigs.

 

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[/cs_text][/cs_column][/cs_row][/cs_section][cs_section parallax=”false” separator_top_type=”none” separator_top_height=”50px” separator_top_angle_point=”50″ separator_bottom_type=”none” separator_bottom_height=”50px” separator_bottom_angle_point=”50″ style=”margin: 0px;padding: 45px 0px;display: none;”][cs_row inner_container=”true” marginless_columns=”true” style=”margin: 0px auto -50px;padding: 0px;”][cs_column fade=”false” fade_animation=”in” fade_animation_offset=”45px” fade_duration=”750″ type=”1/1″ style=”padding: 0px;”] [/cs_column][/cs_row][/cs_section][cs_section bg_image=”http://plan.northerngulf.com.au/wp-content/uploads/2021/04/aerial-ignition-for-rubber-vine-3.jpg” parallax=”true” separator_top_type=”none” separator_top_height=”50px” separator_top_angle_point=”50″ separator_bottom_type=”none” separator_bottom_height=”50px” separator_bottom_angle_point=”50″ style=”margin: 0px;padding: 45px 0px;”][cs_row inner_container=”true” marginless_columns=”false” style=”margin: 0px auto;padding: 0px;”][cs_column fade=”false” fade_animation=”in” fade_animation_offset=”45px” fade_duration=”750″ type=”1/1″ style=”padding: 0px;”][x_accordion style=”background:white;”][x_accordion_item title=”RESOURCE CONDITION TARGET” open=”false”]The abundance and spread of invasive plants and pest animals will be effectively managed to progressively reduce their negative impacts. Production areas and biodiverse ecosystems will be protected through enhanced capacity for resilience. Improved monitoring and biosecurity protocols will reduce the risks of new stresses on ecosystem health and production values.[/x_accordion_item][x_accordion_item title=”MONITORING FRAMEWORK” open=”false”]

Continue weeds mapping which has the capacity to be scaled at property, catchment and region level through:

  • Landholder surveys of priority weeds on the basis of a 1sq.km grid;
  • Regional and catchment scale analysis of weed presence, absence, and migration patterns;
  • Calibrate and cross reference with remote sensing, local government and biosecurity data and climate change projections of future weed spread scenarios;
  • Trial new technologies to expand and maximize weeds mapping effort;
  • Analysis of feral animal numbers recorded at biodiversity monitoring sites;
  • Cross referencing of feral animals sited through monitoring activities with QLD government feral animal abundance and distribution mapping

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Education and practical support is provided to communities, land managers and local government to combat priority weed and pest species.

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