Koala....threatened in Australia

The Australian government has now listed the koala as a vulnerable species at the national level. This listing has specifically nominated populations of koalas in Queeensland, the Australian Capital Territory and New South Wales as those requiring "government" protection. The koalas that live in these areas face threats from habitat destruction, vehicle strike and dogs as a result of urban expansion and the Commonwealth listing aims to address these threats.

What does this listing mean for most people? Nothing, actually. Where this legislation comes in, is when development is proposed in the areas where koalas are now considered threatened. If such, development has the potential to significantly impact on koalas, the proposal needs to forwarded to Commonwealth government for their consideration. 

Populations of koalas around the rest of Australia are not considered to be facing the same threats as those listed in the new Federal government decision. And in fact in some circumstances the koala is so prolific that they are actually creating environmental devastation in the areas in which they live. The koalas in the broader Australian continent are therefore not considered under this legislation.

My interest in this decision, is whether this listing will truly have an impact and bring about a reduction of the habitat loss in these listed areas. To date, Queensland's koala conservation legislation has had little on ground success in curbing the decline in koala populations, particularly in south-east Queensland. 
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Biodiversity, life as we know it?

I am an ecologist (a person that studies native plants & animals in their local context and within the "living web of life") by trade and in recent months I have become disillusioned with the possible longevity of many of the species that occur naturally within my local urbanised environment and broadly in the Australian landscape.

The thirst of the current Australian population to satisfy their personal needs and wants sees little space for the appreciation of the natural environment and in turn the right for all species to inhabit this planet with us. It seems that if a species, no matter its relative importance, gets in the way of "progress", it is justifiable to decimate these individuals at the location of interest.

With the ongoing development and increasing global population, I see no stop to this progression or mantra. The human focus on the environment and how we will survive climate change, we will survive sea level rise, we will survive the economic downturn, shows little regard or consideration for other people or other species on the planet.

My hope is that all of us remember our childhoods and reflect on the enjoyment we got from playing in the mud, along with the slugs, bugs and other creepy crawlies. For those in a more country setting, enjoying the wallabies or kangaroos grazing in the paddocks as we attempted to surprise them in an early morning fog. Or just remember that all creatures great and small have a right to live on this planet just as much as you and I and we should have some consideration for their welfare as we approach these tough times.

(Source: Living Holistically)

Sure we want all the current seven billion people to survive on this planet and have the capacity to live with some prosperity. But we should also have the capability of bringing most of the species that live on this planet along with us. Perhaps some food for thought?

(Source: Amazing top 10)

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Native Bees

Native bees here in Australia have a significant role in our native ecosystems and presently with the overall world decline of pollinators they have a very important place in our backyards. There are apparently over one thousand native bee species here in Australia, with the honey bees, that we typically associate as honey providers, being an introduced species. Native bees are generally solitary with only about 10 of our native species being communal or social, with these occupying a variety of habitats, but a primarily hollows in trees.

There are many reasons for the reduction in the number of native bee species and other pollinators here in Australia but some of the primary reasons are the reduction of their habitat and the widespread use of insecticides throughout the community.

Native bee hives in tree hollows are not visually prominent and as a result are often destroyed when areas of native vegetation are cleared. If these nests are identified prior to clearing activities, they can be salvaged, as has been done with this one that is now located in the Mt-Cootha Botanic Gardens in Brisbane, Queensland.

Native bees provide an important ecosystem service for humans, with these insects acting as pollinators for many of our food crops and also native vegetation. If these species are lost, overall food is likely to become more difficult to produce and in the long-run more expensive due to higher production costs and increased scarcity.

Things that you can do to encourage and maintain these species in your garden:

• Become aware of their plight (including increased competition for food resources from the European honey bee) and their physiology (they are stingless and therefore don't pose any threat to people with allergies); 
• maintain their habitat;
• alternatively if clearing is necessary salvage a native bee nest; or 
• invest in a salvaged nest to include in your garden. 

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Ever heard of a cassowary?

Southern cassowaries (Casuarius casuarius johnsonii) are a fabulous Australian species, which is unfortunately significantly threatened in north Queensland, where they currently live. This species is protected under both Queensland and Commonwealth legislation, but legislation alone will not bring this species back from the edge of extinction. 

Cassowaries are one of Australia's flightless birds and looks much like an emu in stature, but has shiny black feathers, a uniquely coloured and wattled head and neck and a large 'helmet' on its head. It grows to approximately two metres in height and weighs between 55-75kg when mature. Chicks on the other hand are camouflaged and lack the distinctive 'helmet' until mature. An interesting fact is the male is the parent that raises the chicks until they are of an age to move into their own home ranges.

In Australia, this species' distribution is between Townsville in the south and Cooktown in the north and within this area occupies only rainforest and associated habitats. Further information on its distribution and habitat can be found on the Commonwealth government's website.

This species is particularly important, as it is considered a keystone species and is attributed to the survival and maintenance of the rainforest through its role as a distributor and processor of seeds and fruit from the plants that occupy this habitat. Many plant species in these areas have co-evolved with the cassowaries and are only able to survive as long as the cassowaries are there to keep them going (as cassowaries are the only species that can transmit their seeds, due to their size).

Threats the cassowaries face within their habitat include:

• habitat fragmentation and loss;
• habitat degradation;
• roads and traffic;
• dog attack;
• feeding by people, which brings them into urban environments;
• diseases; and
• natural catastrophic events such as cyclones. 

The first six dot points in this list are ongoing threats to cassowaries, with the impact of the last dot point being exacerbating by those preceding dot points. Over recent years, the area occupied by cassowaries has felt the brunt of two significant cyclone events. These cyclones tore the cassowary's habitat apart with significant loss in vegetation cover and food availability for the cassowaries. This saw many of the surviving cassowaries come into townships and cross roads where additional fatalities occurred as a result of the impact of vehicles and dogs.

This species does not have generations to live, if the impacts they currently face are not curbed. But rather they could be extinct within our lifetime. This is a real life or death situation and unlike the current political support seeking to maintain koalas just in south-east Queensland, this species needs political and social support to see its survival in the wild. Let's make a difference and become more aware of this situation and support actions that prevent or reduce some of the impacts this species is experiencing in North Queensland. Don't stand back and let a unique Australian species become extinct on your watch!

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Biodiversity debate - Australian Museum

I came across an advertisement on the Australian Museum's website for a Biodiversity Dinner debate. I am so intrigued by the topic they are going to be debating and wish I could go along. The topic is "If we humans disappeared overnight, the world would probably be better off." - David Attenborough.

It is being held in Sydney on the 14 May 2010. Unfortunately I live in a different state and I'm not sure I would fork out the entrance fee ($160), but I would love to go to hear the arguments and just be involved. I am hoping they are going to record it either via video or a podcast type arrangement so I can experience it without being there.

If anyone does end up going to this I would be excited to hear about it. Pin It