Land Resources of Wildman River Station
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Estuarine Wetlands
ESTUARINE WETLANDS • An estuary occurs where a river meets the sea. • Wetlands connected with this environment are known as estuarine wetlands. • The water has a mix of the saltwater tides coming in from the ocean and the freshwater from the river. • They include tidal marshes, salt marshes, mangrove swamps, river deltas and mudflats. • They are very important for birds, fish, crabs, mammals, insects. • They provide important nursery grounds, breeding habitat and a productive food supply. • They provide nursery habitat for many species of fish that are critical to Australia’s commercial and recreational fishing industries. • They provide summer habitat for migratory wading birds as they travel between the northern and southern hemispheres. Estuarine wetlands in Australia Did you know? Kakadu National Park, Northern Territory: Jabiru build large, two-metre wide • Kakadu has four large river systems, the platform nests high in trees. The East, West and South Alligator rivers nests are made up of sticks, branches and the Wildman river. Most of Kakadu’s and lined with rushes, water-plants wetlands are a freshwater system, but there and mud. are many estuarine wetlands around the mouths of these rivers and other seasonal creeks. Moreton Bay, Queensland: • Kakadu is famous for the large numbers of birds present in its wetlands in the dry • Moreton Bay has significant mangrove season. habitat. • Many wetlands in Kakadu have a large • The estuary supports fish, birds and other population of saltwater crocodiles. wildlife for feeding and breeding. • Seagrasses in Moreton Bay provide food and habitat for dugong, turtles, fish and crustaceans. www.environment.gov.au/wetlands Plants and animals • Saltwater crocodiles live in estuarine and • Dugongs, which are also known as sea freshwater wetlands of northern Australia. -
Demographic Trends and Likely Futures for Australia's Tropical Rivers
Demographic Trends and Likely Futures for Australia’s Tropical Rivers Prepared by Dean Carson, Andrew Taylor and Suzanne Campbell School for Social and Policy Research, Charles Darwin University October 2009 Disclaimer TRaCK has published the information contained in this publication to assist public knowledge and discussion and to help improve the sustainable management of Australia’s tropical rivers and coasts. Where technical information has been prepared by or contributed by authors external to TRaCK, readers should contact the author(s), and conduct their own enquiries, before making use of that information. No person should act on the contents of this publication whether as to matters of fact or opinion or other content, without first obtaining specific independent professional advice which confirms the information contained within this publication. While all reasonable efforts have been made to ensure that the information in this publication is correct, matters covered by the publication are subject to change. Charles Darwin University does not assume and hereby disclaims any express or implied liability whatsoever to any party for any loss or damage caused by errors or omissions, whether these errors or omissions result from negligence, accident or any other cause. Copyright This publication is copyright. Apart from any fair dealing for the purpose of private study, research, criticism or review as permitted under the Copyright Act, no part may be reproduced, by any process, without written permission from the publisher, Enquiries -
Under the Fish and Fisheries Act
NORTHERN TERRITORY OF AUSTRALIA Regulations 1985, No. 39* Regulations under the Fish and Fisheries Act I, ERIC EUGENE JOHNSTON, the Administrator of the Northern Territory of Australia, acting with the advice of the Executive Council, hereby make the following Regulations under the Fish and Fisheries Act. Dated this twentieth day of December, 1985. E.E. JOHNSTON Administrator AMENDMENTS OF THE FISH AND FISHERIES REGULATIONS 1. PRINCIPAL REGULATIONS The Fish and Fisheries Regulations are in these Regulations referred to as the Principal Regulations. 2. REPEAL ~~D SUBSTITUTION (1) Regulations 4, 5, 6 and 7 are repealed and the following substituted: fI 4. AMATEUR GEAR fI (l) An amateur fisherman shall not use an item of fishing gear other than an item that is listed in the Table to this regulation, and the items that are listed in that Table are accordingly prescribed for the purposes of section 27(1)(a) of the Act. ,', Notified in the Northern Territorg Government Gazette on 20 December, 1985. G. L. DUFFIELD, Government Printer of the Northern Territory Price: $1.40 Fish and Fisheries Regulations "(2) An amateur fisherman shall not use more than 3 amateur's pots. Penalty: $1,000. "(3) Where an amateur fisherman establishes that - (a) he is a member of a fishing party; and (b) the number of amateur's pots being used by the members of the party does not exceed 3 times the number of fishermen in the party who are no younger than 8 years of age, he may, notwithstanding subregulation (2), use any number of the amateur's pots used by the fishing party up to the limit specified in paragraph (b). -
The Role of Managed Aquifer Recharge in Developing Northern Australian Agriculture CASE STUDIES to DETERMINE the ECONOMIC FEASIBILITY
Managed Aquifer Recharge ISSN 2206-1991 Volume 2 No 3 2017 https://doi.org/10.21139/wej.2017.029 THE ROLE OF MANAGED AQUIFER RECHARGE IN DEVELOPING NORTHERN AUSTRALIAN AGRICULTURE CASE STUDIES TO DETERMINE THE ECONOMIC FEASIBILITY R Evans, L Lennon, G Hoxley, R Krake, D Yin Foo, C Schelfhout, J Simons ABSTRACT more economically attractive for horticulture production. Managed aquifer recharge (MAR) is a commonly used technique in many countries to artificially increase the INTRODUCTION This paper describes a study to consider the role recharge rate over the wet season and hence increase of MAR in developing irrigated agriculture in the the groundwater storage available during the dry season. Northern Territory (Daly catchment and Central Considering northern Australia’s long dry season and Australia) and the Pilbara in Western Australia. The relatively short wet season, MAR has the potential to play fundamental advantages of MAR based developments a major role in water resource development. over conventional water sources (typically large dams) Shallow weirs, infiltration trenches and injection bores are the cost of transporting water, lack of evaporative were considered as the main MAR methods. Five losses, seasonal variability and the scalability of sites were assessed in the Pilbara and seven across MAR projects. Conversely, impediments are believed the Northern Territory. After consideration of a range to be primarily the economic feasibility rather than of factors such as the available source water, local the technical feasibility. When compared to other hydrogeology, soil suitability and potential irrigation water supply options, MAR can be attractive both demand, most sites were considered technically feasible. -
CP 5470 Victoria Daly Local Government Area
1 3 5 8 1 . ver 2 a 1 Ri c 2 t 25 e 6 o 7 NT Por 2707 r 3 R S o 3 R r NT Por rNT 1 P r N A o P e r 4 4 6 98 i 2376 i T v v o i v T r P e o Sec. 1574 P R e N o P NT Por 1170 r r r 6 S NT Por 2707 T NT Por 4061 T 4 e 7 2 c N . N 3 4 S 1 2 5 e c 5 . 3 r NOTE: LOCAL GOVERNMENT AREA BOUNDARIES ARE CO-INCIDENT WITH CADASTRAL 1 9 NT Por o 5 r 2 NT Por 2376 o 9 NT Por 5088 P 6 P 7 y e r T 3 T Sec. 1 r d NT Por 4499 4707 2 i NT Por 2623 e N N S MARRAKAIa v BOUNDARIES AND ROAD CENTRELINES UNLESS OTHERWISE SHOWN. NT Por i Rive e M NT Por 2622 2623 R c 4 . Jabiru 2 NT Por NT Por 6 Sec. 2 4501 2 2881 2624 8 Sec. 2746 r NT Por 2273 A o 8 n P 2 n 1 r W NT Por 1641 T i N 2 e r Sec. e T P i o N r 599 1 v l 8 d S i o Y NOTE: LOCAL GOVERNMENT AREA BOUNDARIES FOR THE MAINLAND AND ISLANDS EXTEND 4 Sec. 2743 8 4 R m e a t A 0 c r W ldm n a R i a n W . -
Flood Watch Areas Arnhem Coastal Rivers Northern Territory River Basin No
Flood Watch Areas Arnhem Coastal Rivers Northern Territory River Basin No. Blyth River 15 Buckingham River 17 East Alligator River 12 Goomadeer River 13 A r a f u r a S e a Goyder River 16 North West Coastal Rivers Liverpool River 14 T i m o r S e a River Basin No. Adelaide River 4 below Adelaide River Town Arnhem Croker Coastal Daly River above Douglas River 10 Melville Island Rivers Finniss River 2 Island Marchinbar Katherine River 11 Milikapiti ! Island Lower Daly River 9 1 Elcho ! Carpentaria Coastal Rivers Mary River 5 1 Island Bathurst Nguiu Maningrida Galiwinku River Basin No. Island 12 ! ! Moyle River 8 ! Nhulunbuy 13 Milingimbi ! Yirrkala ! Calvert River 31 South Alligator River 7 DARWIN ! ! Howard " Oenpelli Ramingining Groote Eylandt 23 Tiwi Islands 1 2 Island 17 North West 6 ! 14 Koolatong River 21 Jabiru Upper Adelaide River 3 Coastal 15 Batchelor 4 Limmen Bight River 27 Wildman River 6 Rivers ! 16 7 21 McArthur River 29 3 5 ! Bickerton Robinson River 30 Island Daly River ! Groote Roper River 25 ! ! Bonaparte Coastal Rivers Bonaparte 22 Alyangula Eylandt Rosie River 28 Pine 11 ! 9 Creek Angurugu River Basin No. Coastal 8 Towns River 26 ! ! Kalumburu Rivers Numbulwar Fitzmaurice River 18 ! Walker River 22 Katherine 25 Upper Victoria River 20 24 Ngukurr 23 Waterhouse River 24 18 ! Victoria River below Kalkarindji 19 10 Carpentaria G u l f 26 Coastal Rivers ! o f ! Wyndham Vanderlin C a r p e n t a r i a ! 28 Kununurra West Island Island 27 ! Borroloola 41 Mount 19 Barnett Mornington ! ! Dunmarra Island Warmun 30 (Turkey 32 Creek) ! 29 Bentinck 39 Island Kalkarindji 31 ! Elliott ! ! Karumba ! 20 ! Normanton Doomadgee Burketown Fitzroy ! Crossing Renner ! Halls Creek ! Springs ! ! Lajamanu 41 Larrawa ! Warrego Barkly ! 40 33 Homestead QLD ! Roadhouse Tennant ! Balgo Creek WA ! Hill Camooweal ! 34 Mount Isa Cloncurry ! ! ! Flood Watch Area No. -
Flood Risk Management in Australia Building Flood Resilience in a Changing Climate
Flood Risk Management in Australia Building flood resilience in a changing climate December 2020 Flood Risk Management in Australia Building flood resilience in a changing climate Neil Dufty, Molino Stewart Pty Ltd Andrew Dyer, IAG Maryam Golnaraghi (lead investigator of the flood risk management report series and coordinating author), The Geneva Association Flood Risk Management in Australia 1 The Geneva Association The Geneva Association was created in 1973 and is the only global association of insurance companies; our members are insurance and reinsurance Chief Executive Officers (CEOs). Based on rigorous research conducted in collaboration with our members, academic institutions and multilateral organisations, our mission is to identify and investigate key trends that are likely to shape or impact the insurance industry in the future, highlighting what is at stake for the industry; develop recommendations for the industry and for policymakers; provide a platform to our members, policymakers, academics, multilateral and non-governmental organisations to discuss these trends and recommendations; reach out to global opinion leaders and influential organisations to highlight the positive contributions of insurance to better understanding risks and to building resilient and prosperous economies and societies, and thus a more sustainable world. The Geneva Association—International Association for the Study of Insurance Economics Talstrasse 70, CH-8001 Zurich Email: [email protected] | Tel: +41 44 200 49 00 | Fax: +41 44 200 49 99 Photo credits: Cover page—Markus Gebauer / Shutterstock.com December 2020 Flood Risk Management in Australia © The Geneva Association Published by The Geneva Association—International Association for the Study of Insurance Economics, Zurich. 2 www.genevaassociation.org Contents 1. -
A Compendium of Ecological Information on Australia's Northern
A Compendium of Ecological Information on Australia’s Northern Tropical Rivers REPORT 7 Freshwater Fish Damien BurrowsA AAustralian Centre for Tropical Freshwater Research, James Cook University, Townsville Queensland 4811 Australia Authors This report should be cited as follows: Burrows, D. 2008. In G.P. Lukacs and C.M. Finlayson (eds) 2008. A Compendium of Ecological Information on Australia’s Northern Tropical Rivers. Sub-project 1 of Australia’s Tropical Rivers – an integrated data assessment and analysis (DET18). A report to Land & Water Australia. National Centre for Tropical Wetland Research, Townsville, Queensland. Contact information NCTWR C/ Australian Centre for Tropical Freshwater Research James Cook University Townsville 4811 Queensland Australia Funding statement This project was funded by the Natural Heritage Trust Phase 2 (NHT2) and Land & Water Australia (LWA) as part of the Tropical Rivers Inventory and Assessment Project (TRIAP). Disclaimer The views and opinions expressed in this report do not necessarily reflect those of the National Centre for Tropical Wetlands Research and its partners. While reasonable efforts have been made to ensure that the contents of this report are factually correct, some essential data rely on the references cited and the NCTWR do not accept responsibility for the accuracy, currency or completeness of the contents of this report, and shall not be liable for any loss or damage that may be occasioned directly or indirectly through the use of, or reliance on, the report. Readers should exercise -
NT Appendix 2B.1
Sampling HydroTel Polling Shelter Sensor Type Sensor Type Sensor Type Sensor Solar Hours Site Site Name Data Logger Modem Comms Platform Shelter Serial Rain Gauge Regulator Time Stage Afternoo Site Type Range Panel with no Morning IP 1 2 3 Number (min) (mm) n change G0010005 Ranken River at Soudan Homestead iRIS 350 Beam RST600 N/A Shaft Encoder 10 10 Reactive G0050115 Hugh River at South Road Crossing iRIS 350 Beam RST600 DialUp HS AD375A ( Absolute) HS TB 2 (0.5mm) 10 6:30 14:30 Reactive G0050116 Finke River at South Road Bridge X-ing iRIS 350 Beam RST600 DialUp HS WL3100 Pressure Transducer Druck PTX 1400 (250 Bar) HS 23 SL 10m HS TB 3 (0.5mm) 10 6:30 14:30 Reactive G0050117 Palmer River at South Road Crossing iRIS 350 Beam RST600 DialUp HS AD375A ( Absolute) 15 6:30 14:30 Reactive G0050140 Finke River at Railway Bridge iRIS 350 Beam RST600 DialUp HS AD375A ( Absolute) 15 6:30 14:30 Reactive G0060005 Trephina Creek at Trephina Gorge SDS N/A N/A Shaft Encoder TB1 (0.5mm 10 10 Reactive G0060008 Roe Creek at South Road Crossing iRIS 320 (internal) IP Mode HS AD375A ( Absolute) 10 1h Reactive G0060009 Todd River at Anzac Oval iRIS 320 (internal) IP Mode HS AD375A ( Absolute) 10 30min Reactive G0060017 Emily Creek Upstream Undoolya Road iRIS 320 (internal) IP Mode HS AD375A ( Absolute) 10 1h Reactive G0060040 Todd River at Amoonguna iRIS 320 (internal) IP Mode HS AD375A ( Absolute) 10 1h Reactive G0060041 Todd River Rocky Hill iRIS 320 (internal) IP Mode HS AD375A ( Absolute) 10 1h Reactive G0060046 Todd River at Wigley Gorge iRIS 320 (internal) -
Saltwater Intrusion and Mangrove Encroachment of Coastal Wetlands
The dGPS data logged in the field were down-loaded daily from both the base station and the rover receiver to the Reliance software package. The down-loaded field data were then processed using the Reliance software, which converted the corrected data to a graphical format. Logged information included recordings of latitude and longitude values, elevations, and measurements of accuracy. The processed data were exported and manipulated into Arc Info and Arc Edit to generate maps of each field site. 4 Distribution of tidal creeks and mangroves: 1950 to 1991 Since the late 1940s to early 1950s, the tidal influence of estuarine rivers in the Alligator Rivers Region has extended along creek lines and the resultant changes in the saltwater reaches have been coupled with expansion of the area colonised by mangroves. The trends of change identified from the aerial photography are separately described for each of the rivers. 4.1 Wildman and West Alligator River The Wildman and West Alligator Rivers lie within the western flank of Kakadu National Park (Fig 2). Since 1950, tidal creeks of both rivers have exhibited marked changes in the distribution of mangroves along their banks. Mangrove encroachment has occurred along the main tributaries of the West Alligator and Wildman Rivers and along smaller creek lines as they apparently became more tidally active (Figs 16 & 17). Mangroves densely flank the shoreline of both river systems, with colonisation becoming sparser in the upper reaches of the rivers. The upstream estuarine segments of both rivers had a limited distribution of mangroves, although from 1950 to 1991 mangroves had extended approximately four kilometres upstream on the West Alligator River (Fig 17). -
Identification and Mapping of Barramundi Nursery Swamp Habitat in the Chambers Bay/Finke Bay Area
Identification and Mapping of Barramundi Nursery Swamp Habitat in the Chambers Bay/Finke Bay Area. RK. Griffin DEPARTMENT O,� PRIMARY INDUSTRY AND FISHERIES FIS HERIES RESE ARCH & �- DEVELO PMENT CORPORATIO N Project T94/144 1 NON-TECHNICALSUMMARY A number of previous studies have demonstrated that verysmall barramundi (around 8 mm and larger) occupy tidal swamp habitats in coastal areas during their first few months of life, from September. There has been substantial sampling of this type of habitat but generally only in specific areas and the general characteristics, such as vegetation types, soil types etc., of barramundi nursery swamps have not been systematically examined. Fishing industry representatives in the NT have recently been involved in debate over the impacts on barramundi nursery habitat of works to control saline intrusion in the study area. Concerns have also been expressed about possible impacts of the practice of ponded pasture being developed by the pastoral industry.Massive saline intrusion in the area has resulted in extensive degradation and loss of important freshwaterhabitat and throughout the study area there have been earthworks conducted to prevent further intrusion.In some instances those earthworks could deny small barramundi access to vital nursery habitats. There is also concern that barramundiwhich gain access to nursery swamps during the wet season floods then become trapped in the waters remaining behind the saline intrusion controlbunds and die when the ponded area dries out. The fact that the barramundinursery habitats are located at the interface between freshwater 11 and saline tidal swamps presents a substantial riskthat they will be mistakenly "rescued from saline intrusion. -
Hydrobiology
Hydrobiology Environmental Values Downstream of the Former Rum Jungle Minesite – Phase 1 Northern Territory - Department of Mines and Energy April 2013 Hydrobiology ABN 26 096 574 659 GST The company is registered for GST Head Office 27 / 43 Lang Parade Auchenflower QLD 4066 Registered Office c/‐ de Blonk Smith and Young Accountants GPO 119 Brisbane, QLD 4001 Postal Address PO Box 2151 Toowong QLD 4066 Phone 61 (07) 3368 2133 Fax 61 (07) 3367 3629 Email Contact [email protected] Website http://www.hydrobiology.biz © Hydrobiology Pty Ltd 2013 Disclaimer: This document contains confidential information that is intended only for the use by Hydrobiology’s Client. It is not for public circulation or publication or to be used by any third party without the express permission of either the Client or Hydrobiology Pty. Ltd. The concepts and information contained in this document are the property of Hydrobiology Pty Ltd. Use or copying of this document in whole or in part without the written permission of Hydrobiology Pty Ltd constitutes an infringement of copyright. While the findings presented in this report are based on information that Hydrobiology considers reliable unless stated otherwise, the accuracy and completeness of source information cannot be guaranteed. Furthermore, the information compiled in this report addresses the specific needs of the client, so may not address the needs of third parties using this report for their own purposes. Thus, Hydrobiology and its employees accept no liability for any losses or damage for any action taken or not taken on the basis of any part of the contents of this report.