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  • #46
    King Edward River survey

    a copy of the details entered onto ANGFA database

    King Edward River, Mitchell Falls Rd,
    14deg 54min 24.7sec South, 126deg 12min 00.4sec East
    Substrate - sand with large sandstone boulders
    Topography - Low hills, rocky ground, open woodland
    Land use - pastoral lease
    Site description - A small river with fast riffles between long quiet pools. River lined with Pandanus aquatica and the occasional Melaleuca sp? Parts of substrate in deep pools lined with many species aquatic plants, most of substrate in faster sections covered with aquatic plants. Small iron stained springs along bank (just like the Dupla Book)
    Date: 29 May 09, time commenced survey 16:00 hrs
    Turbidity - clear, over 2 meters visibility
    Water temp :25.7 deg C
    pH - less than 5.0
    General hardness approx 10 ppm
    Carbonate hardness approx 18 ppm
    Notice the KH is a little higher than the GH, which appears to be common in natural places that have good plant growth.

    Survey methods - dip net, observations with spot light.
    Fish Species found
    Mogurnda oligolepis
    Melanotaenia australis
    Glossogobius giuris
    Lerioptherapon unicolor
    Neosilurus hyrtlii
    Hephaestus jenkensi
    (A sharp nose grunter species yet to be identifiied?)

    Aquatic plants
    Vallisneria nana (a very thin species)
    Eriocaulon setaceum
    Eriocaulon sp? (maybe lividum)
    Eriocaulon sp? (maybe depressum)
    Eriocaulon cinereum
    Aonogeton euryspermus
    Pogostemon stellatus
    Nymphaea violacea
    Nymphoides spongiosa
    Nymphoides sp? (Small yellow flower)
    Myriophyllum trachycarpum

    Emergent and riparian species
    Pandanus aquatica
    Various grasses and sedges
    Melaleuca sp?

    Crustaceans
    Macrobrachium bullatum
    Caridina sp? (maybe WA4 - blue or red with a cream dorsal longitudinal stripe)
    caridina sp? (unknown to us, may or may not be described)

    Reptiles
    Emydura australis
    Varanus mertensi
    Crocodylus johnstonii
    Gehya sp (a spott gecko)
    Asian house gecko (probably hitched with campers)

    Frogs
    Litoria rubella
    Litoria nasuta
    some others I did not know.

    Cheers
    Dave

    Comment


    • #47
      Collecting

      And for anyone that thinks Daves job is all easy

      I saw this guy while in Darwin City


      Not so easy now is it?

      Graeme
      Read this very helpful thread on BSS .
      No pictures on your BSS advert? Then be prepared for it to be deleted ( read the rules )

      Comment


      • #48
        Originally posted by Graeme View Post

        Not so easy now is it?

        Graeme
        Attatch some little rockets to the RC chopper and you will be fine
        4wdriving in the mud is like un-protected sex, a few minutes of fun for a life time of regrets.

        Comment


        • #49
          Drysdale River

          Another collecting spot

          on the Drysdale River

          Miners pool



          River crossing upstream and down





          What a beautiful spot
          But no aquatic plants were found

          Graeme
          Read this very helpful thread on BSS .
          No pictures on your BSS advert? Then be prepared for it to be deleted ( read the rules )

          Comment


          • #50
            Originally posted by Graeme View Post
            And for anyone that thinks Daves job is all easy

            I saw this guy while in Darwin City


            Not so easy now is it?

            Graeme
            Hi Graeme, an interesting and enjoyable trip no doubt! Thanks for sharing the pictures, they take me back to my years in the NT and Kimberley.
            Just what is Daves job?
            common sense................it's very uncommon.

            Comment


            • #51
              Dave's Job ??

              I could be cheeky here but wont

              Dave runs ( and owns ) Aquagreen.
              An ornamental aquaculture facility, supplying Freshwater plants and fish, specialising in Australian Natives.

              Hope I covered that properly Dave

              Graeme
              Read this very helpful thread on BSS .
              No pictures on your BSS advert? Then be prepared for it to be deleted ( read the rules )

              Comment


              • #52
                2 question marks after "Dave's job", that is cheeky!
                common sense................it's very uncommon.

                Comment


                • #53
                  Some very nice collecting spots there graeme. Nice photgraphy skills too. Very jealous over this way
                  that third one would make a great pc desktop i reckon
                  Ant
                  Assortment of cakes

                  Comment


                  • #54
                    Mysteries of underwater plant growth

                    We visited some very nice places in a short amount of time. One of the things that interested me greatly is how some rivers support a huge amount of plant growth (King Edward) and others dont seem to have any plants growing under water. the Drysdale River only seemed to have one true aquatic and that was Potamegeton javanicus. Graeme has a nice photo of this plant. I didn't take one as I was busy collecting a few nice rainbows from that spot.

                    I bought home some small rocks from the side of the King Edward River in the hope of solving some of the mysteries of this river. It is absolutely awesome in the fact that it has more of the bottom covered with aquatic plants than nearly any other river I have ever seen.

                    The country is quite sandy and appears fairly poor in nutrients with sandstone and another rock that appears to be an ancient larva flow, the other rock is light and crumbly, it is red on the inside and I suspect is the source of the mineral nutrition for the plants.

                    The river has iron flock in the shallow quiet areas and it also has an alkalinity measurement slightly higher than the hardness measurement (using aquarium reagent test kits). below are some pictures of the rocks, the iron flock (red stuff) and the river. If there are any Geologists or rock collectors out there who can recognise or test rock I would send a bit for analysis for an identification of the rock.
                    Attached Files

                    Comment


                    • #55
                      Ancient graffiti near the King Edward River

                      the boys were at it, painting stuff on the walls many years ago. I wonder will our modern graffiti last this long. One of the paintings (top photo) is Bradshaw with newer things over it, really old stuff.

                      Cheers
                      Dave
                      Attached Files

                      Comment


                      • #56
                        Eriocaulon lividum (maybe)

                        There is a very nice Eriocaulon in the King Edwar River, it looks like blyxa but the really pale green leaves make it look a little different. The description in the Floodplain Flora book matches Eriocalon lividum but also a few others. we need a botanist to compare the parts of a flower for correct ID.

                        If anyone knows this eriocaulon feel free to comment. The last photo is two types together, the suspect E.lividum is on the right, the one on the left may be E.depressum. There are many types of Eriocaulon and the only really distinct one is E.setaceum.

                        Cheers
                        Dave
                        Attached Files

                        Comment


                        • #57
                          Very nice pics Dave and the Erio's look very very nice

                          Comment


                          • #58
                            WOW! theres an amazing amount of plants in that river.

                            very nice pictures Dave and awesome erio.

                            So what are the plans for the next adventure? any particular places in mind?
                            He's not the messiah, he's a very naughty boy!

                            Comment

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