Terrigena | Environmental consultant

Terrigena

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24.01.2022 I'm waiting for the day they find a fungus or bacteria which can digest plastic but this is very cool!

22.01.2022 In bad news for WA, the imported Red Fire Ant has been found in Fremantle. This species is potentially lethal and very difficult to eradicate. If you think you see this pest, capture some on some sticky tape and put them in a jar. The Department of Agriculture and Food, Western Australia, can identify and advise on what to do and who to contact. https://invasives.org.au//Fact-Sheet-Tropical-fire-ants-20

20.01.2022 NEWSFLASH - new listings The Minister for the Environment, the Hon. Sussan Ley MP, has amended the list of threatened ecological communities under the EPBC Act to include three new TECs. These listings take effect from 4 July 2019. The Tuart (Eucalyptus gomphocephala) Woodlands and Forests of the Swan Coastal Plain in Western Australia as critically endangered;... The Poplar Box Grassy Woodland on Alluvial Plains in northern NSW and southern Queensland as endangered; and The Tasmanian Forests and Woodlands Dominated by Black Gum or Brookers Gum (Eucalyptus ovata / E. brookeriana) as critically endangered. http://www.environment.gov.au//pub/publicshowcommunity.pl

19.01.2022 Calling all Zoologists...As some of you are aware, I'm a member of the Perth Shell Collector's Club. I collect for fun but it's also a group for some serious malacologists to share their work. At our December 8th meeting, Andrew Cummings presented his work on Western Australia's land snails. He has asked me to pass on that the WA Museum is looking for collections of often overlooked land snails from Dirk Harthog Island if anyone licenced is working there. If you are likely to visit soon, let me know and I can put you in touch.

19.01.2022 Happy taxonomists appreciation day! This is certainly a celebration I can get on board with!

13.01.2022 For anyone wondering how the scale and extent of this season's fires compares to the past, I've prepared a simple map showing current and past fire seasons in NSW. I excluded data prior to 1970 because I have concerns about its accuracy.

13.01.2022 Indonesia has long been one of the largest sources of plastic waste which finds its way into the ocean. With little in the way of waste collection, single use plastics find their way into rivers and eventually the sea. Some areas of Indonesia have become so polluted that this year the army was called in to help. This plastic pollution washes up on Australia's beaches such as Greta Beach on Christmas Island (pictured). In a fantastic Christmas announcement, Indonesia is beginning to tackle the problem with single use plastic bans in Bali which will gradually extend to the rest of Indonesia. https://www.straitstimes.com//bali-bans-single-use-plastic

08.01.2022 Have you ever seen a map like this and wondered what it is? This is a vegetation map of the plant communities that existed prior to European colonisation. We use these datasets and ArcGIS geoprocessing to calculate the remaining area of plant communities so that we can assess the cumulative impact of clearing to these communities. Some communities have less than 1% representation nowadays (especially on the Swan Coastal Plain) while others still have more than 75% remaining. ...This makes it easier to determine which areas need to be prioritised for conservation and which can be safely developed without a significant loss of biodiversity. This type of analysis doesn't take into account other important factors such as the presence of threatened species, which need to be taken into account separately. For example a community with 80% of its pre-European extent intact but which is home to a mammal with a total population of less than 2000 individuals due to predation by cats should still be identified as requiring protection. Environmental Impact Assessment is a complicated process, requiring access to whole of state datasets and survey information to integrate multiple factors into decision making. See more

07.01.2022 Wishing you all a very merry Christmas and a happy new year!

05.01.2022 Hopefully this will result in some new additions to the Australian National Herbarium's records for Christmas Island.

05.01.2022 The Euphorbias (spurges) are a common genus of plants which have a corrosive milky sap and recently featured on Today Tonight after sending two Perth gardeners to hospital (https://www.facebook.com/TodayTonight/videos/419932105226054/?t=84). The sap is highly irritant to the eyes and may cause temporary or permanent blindness. The family includes some common garden weeds and ornamental plants, including poinsettia, crown of thorns and pencil cactus. All species feature the mi...lky sap which can damage the eyes. Disposable gloves should be worn when weeding or pruning these species and it is important to remember not to touch your face or rub your eyes. Always wash your hands thoroughly after gardening. If the milky sap does come in contact with your eyes, do NOT rub your eyes, rinse as soon as possible with an eye wash and seek immediate medical attention. Photos: 1. Poinsettia (Euphorbia pulcherrima) source: Macquarie University 2. Crown of thorns (Euphorbia milii) source: Flickr (user: Quilldancer) 3. Painted spurge (Euphorbia heterophylla) source: Wikipedia 4. Namana (Euphorbia australis) source: Wildflower Society of Western Australia 5. Petty spurge (Euphorbia peplus) source: N.C. State University

02.01.2022 It's always a good thing when extinct species turn out to still be around. This probably happens more often with plants than animals given how long viable seed can persist in the soil for some species that are temporally rare rather than quantitatively/geographically rare.

02.01.2022 Happy Taxonomists Appreciation Day! This is certainly a celebration I can get on board with!