Thursday, December 30, 2010

Iguazu Falls

Apparently, I just finished reading WWF our earth page and I found this interesting information about Iguazu falls which is in the "All Time Top 10 Places to See". Since, I never heard anything about this place before. Iguazu falls is on the number 8 from the list, beating Madagascar and The Alps.

So, basically Iguazu Falls are series of waterfalls on the Iguazu River that stretch in a "U" or horseshoe shape with the length of 2 miles area along the the border of Argentina and Brazil. The term Iguazu means "big water" in Guarana language, and this falls live up to their name. Iguazu Falls consists of about 270 waterfalls and the height up to 82 meters. The thunderous roaring of the falls can be heared from miles away and the mist forms rainbows, bigger than North America's Niagara Falls.

 Breathtaking scenery of Iguazu Falls

The legend says that a god intended to marry a beautiful girl called Naipu. However, the girl ran away with her lover in a canoe. The god became furious and the god sliced the river, creating the waterfalls, punishing the lovers to an eternal fall.

Source:
WWF© . (2010). Iguazu Falls. Retrieved from http://wwf.panda.org/about_our_earth/teacher_resources/best_place_species/current_top_10/iguazu_falls.cfm

Indonesia's Environmental Problems

Indonesia is a rich country with a plenty of natural resources in almost every sectors such as, agricultures, fisheries, and even forestry. Nowadays, across the world has been demanding for Indonesia's natural resources such as fish, palm oil, timber, gold, oil and gas. To supplying the demands of the another country and also to keep Indonesia's financial status, Indonesia keeps exporting its natural resources. The problem is that a lot of these activities are illegal.

Kalimantan forest loss for years

One example of the activities is deforestation. Indonesia lost a massive 1,87 ha of forest every year. In 5 years Indonesia lost 9.36 million ha which is the same size of Portugal. Several impacts occurred such as habitat loss for endangered species, loss of livelihoods, and the worst is loss of revenue for the governments. The major cause of deforestation is a huge demand for palm oil, since palm oil is the major source of Indonesia's income and this sector give a massive amount of job opportunities. However, this sector comes at a heavy price, because where plantations are created in high conservation forests area, there will be a complete loss of forest ecological functions and socioeconomic benefits for locals. 

Riau, Sumatera deforestation rate


Source:
WWF©. (2007). Environmental problems in Indonesia. Retrieved from 
http://wwf.panda.org/who_we_are/wwf_offices/indonesia/environmental_problems_indonesia/

Friday, December 17, 2010

Indonesia's Last Glaciers

Indonesia is one of the strangest regions with glaciers can be found. As we know, Indonesia is an equatorial island which means, there is always sunshine. On the mountain range of Pegunungan Maoke, in the Irian Jaya (East Part of Indonesia) there are ice fields that still remain, sadly they are shrinking continuously.

Location of the highest mountains in Papua.

Predominant rainy weather and warming the bedrock triggers the rapid melting of the remaining ice. In 2003, the ice field of the high mountain of Puncak Mandala and Puncak Trikora disappeared. The ice-archive on the Indonesia’s mountains is important record for the climate at the Pacific Ocean. 

Peak of Jaya Wijaya in 1936

Peak of Jaya Wijaya in 1972

References:
Bressan, David. (2010). Indonesia's Last Glaciers. Retrieved from http://historyofgeology.blogspot.com/2010/08/indonesias-last-glacier.html




Sunday, December 5, 2010

Mt. Merapi news!

As we know, Indonesia was ambushed by several natural disasters lately. The explosion of Mt. Merapi for example, which was happened in late October, killed 153 people and 320,000 were displaced. This explosion caused several impacts on environment and also on humans, whether it’s physical and mental suffering from loss and death of relatives. This eruption changed from a beautiful green valley to a barren and eerie place, it’s completely shocking. Here  are some of the newest photos about what’s happening there.

6 November 2010
Eruption intensity was increasing 
 Continuous incandescent rockfall
NASA thermal image from space during the explosion
The surge clouds are spreading out

 View from the nearest devastated village to the volcano
Devastated village, it was all fine ash. 

The zone below Merapi where pyroclastic flow in a small canyon is 
converted to lahar by the rainfall.

The eruption survivors with some burned parts on their body
 Burned cows, luckily cow's skin is very thick and research said that the Mt. Merapi's hot ash is about 200 Celcius, which means cows really have thick skins.
 Another unfortunate victim.
Condition of the house, fully covered by ash and completely destroyed everything

Mass-burial of the victims, may them rest in peace :)
Another lucky survivor, this monkey was curled in its cage, protecting its face, tail, and paw.

References: 
Montserrat Volcano Observatory. (2010). Merapi 2010: pyroclastic surges wreck villages in  front of the world's press. Retrieved from http://www.montserratvolcano.org/Merapi.htm
Andi Hidayat. (2010). Dampak Letusan di Sekitar Lereng Merapi. Retrieved from http://andimanwno.wordpress.com/2010/11/30/studi-merapi-17/


Thursday, November 18, 2010

Fun Facts about Dragonfly


Dragonflies are common insects with compound eyes, two transparent wings, 6 legs, and long body. They are harmless insect, since they don’t bite or sting humans. These insects are one of the best flying animals, because they can fly at fast speeds and they can propel themselves in six directions; upward, downward, forward, back, and side to side.

They lay their eggs on water (even the dirtiest water) since their larvae (nymphs) are aquatic. Dragonflies spend most of their life in the larvae stage, about 3 years. Then, after the metamorphosis phase, dragonflies get their wings; however they only live for a few weeks.

Dragonfly "Nymphs"
Usually, we watch dragonflies flying gracefully around, however what do dragonflies eat? Dragonflies are agile predators to other insects, such as mosquitoes, flies, bees, ands, and sometimes butterflies. A fun fact here – A dragonfly can eat equal to its own weight in about 30 minutes. Dragonflies’ larvae are even dangerous predator, with the size of 18-49 mm; they could eat tadpoles and little fishes

Dragonfly symbolize some meanings in the world, here are some of dragonfly symbolism:
  • Maturity and a Depth of character
    The dragonfly, in almost every part of the world symbolizes change and change in the perspective of self realization; and the kind of change that has its source in mental and emotional maturity and the understanding of the deeper meaning of life.

    The traditional association of Dragonflies with water also gives rise to this meaning to this amazing insect. The Dragonfly’s scurrying flight across water represents an act of going beyond what’s on the surface and looking into the deeper implications and aspects of life.
  • Power and Poise
    The dragonfly’s agile flight and its ability to move in all six directions exude a sense of power and poise - something that comes only with age and maturity.
    The dragonfly can move at an amazing 45 miles an hour,  hover like a helicopter fly backwards like a hummingbird, fly straight up, down and on either side. What is mind blowing is the fact that it can do this while flapping its wings a mere 30 times a minute while mosquitoes and houseflies need to flap their wings 600 and 1000 times a minute respectively.

    The awe inspiring aspect is how the dragonfly accomplishes its objectives with utmost simplicity, effectiveness and well, if you look at proportions, with 20 times as much power in each of its wing strokes when compared to the other insects.  The best part is that the dragonfly does it with elegance and grace that can be compared to a veteran ballet dancer. If this is not a brazen, lazy, overkill in terms of display of raw power, what is?
  • Defeat of Self Created Illusions
    The dragonfly exhibits iridescence both on its wings as well as on its body. Iridescence is the property of an object to show itself in different colors depending on the angle and polarization of light falling on it.

    This property is seen and believed as the end of one’s self created illusions and a clear vision into the realities of life. The magical property of iridescence is also associated with the discovery of one’s own abilities by unmasking the real self and removing the doubts one casts on his/her own sense of identity. This again indirectly means self discovery and removal of inhibitions.
  • Focus on living ‘IN’ the moment
    The dragonfly normally lives most of its life as a nymph or an immature. It flies only for a fraction of its life and usually not more than a few months. This adult dragonfly does it all in these few months and leaves nothing to be desired. This style of life symbolizes and exemplifies the virtue of living IN the moment and living life to the fullest. By living in the moment you are aware of who you are, where you are, what you are doing, what you want, what you don’t and make informed choices on a moment-to-moment basis.

    This ability lets you live your life without regrets like the great dragonfly.
  • The opening of one’s eyes
    The eyes of the dragonfly are one of the most amazing and awe inspiring sights. Given almost 80% of the insect’s brain power is dedicated to its sight and the fact that it can see in all 360 degrees around it, it symbolizes the uninhibited vision of the mind and the ability to see beyond the limitations of the human self. It also in a manner of speaking symbolizes a man/woman’s rising from materialism to be able to see beyond the mundane into the vastness that is really our Universe, and our own minds.
References:
Ulio. (2009). Some facts about Dragonflies. Retrieved from http://www.stumblerz.com/some-facts-about-dragonflies/
Wikimedia Foundation, Inc. (2010) Dragonfly. Retrieved from http://en.wikipedia.org/wiki/Dragonfly
Butterfly&NatureStore. (2006). The Meaning of a Dragonfly: What Does a Dragonfly Symbolize? Retrieved from http://www.dragonfly-site.com/meaning-symbolize.html

Saturday, November 13, 2010

Baiji, the freshwater dolphin.




Qiqi, the only captive Yang tze River dolphin, also called Baiji, which died in the Centre in July 2002. 

Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Cetacea
Family: Lipotidae
Genus: Lipotes
Species: Vexillifer
StatusCritically Endangered


Baiji is a freshwater dolphin that can be found only in Yangtze River, China. It was called “Goddess of the Yangtze” in China. Baiji has lived in Yangtze River for 20 million years, the fossil records that the dolphin first appeared 25 million years ago and then migrated from Pacific Ocean to Yangtze River 20 million years ago.

Nowadays, the Baiji dolphin is fighting for its survival, since there are less than 100 Baijis remaining. 4 years ago, conservation experts were unable to locate any Baiji during the expedition and they thought that Baiji were extinct. However, in 2007 Baiji existence was confirmed when a video from local institution captured of one.


The decreasing number of Baiji caused by ship traffic, pollution, human land uses, unsustainable fishing and lack of conservation measures. Illegal hunting of the baiji also one of the main cause of the decreasing number of Baiji, since its meat and its body parts are used in traditional medicines. Another main cause is the Dam that was built on the Yangtze River called The Three Gorges Dam. This dam will produce further stress on the baiji population, because the dam blocks the baiji from swimming upstream. 


IUCN (International Union for Conservation of Nature) Status:

  • 1970's: Indeterminate


  • 1980's - 1994:Endangered


  • 1996 - 2004:Critically Endangered


  • 2006:Critically Endangered



  • Population Estimates:


  • Before 1900: 3000 - 5000


  • 1980: 400


  • 1985-6: 300


  • 1993: 150 - 240


  • 1995: Probably fewer than 100


  • 2003: Maybe no more than a few tens of individuals


  • 2006: Recent informed guesses range from "there may be only a few dozen" to "there are very likely less than a hundred"



  • Since the 1970s, China government outlawed deliberate killing, restricted fishing, and established nature reserves. In 1978, the Chinese Academy of Science established the "Freshwater Dolphin Research Centre" in order to recover the species of Baiji, however only few Baiji captured and survived more than a few months. 
    In December 1996, the first Chinese aquatic species protection was founded. It has raised about 10,000 USD to fund cell preservation and to maintain the Baiji facilities. 4 years before this conservation founded, five protected areas of the Yangtze have been designated as Baiji reserves. However, these 5 reserves only cover 350 kilometers, about 1/3 of the Baijis range, leaving the rest unprotected.
    In 2001, the Chinese government approved a Conservation Action Plan for Cetaceans of the Yangtze River, unfortunately there was only little money available in China to aid the conservation. Efforts to save the mammals proved to be too little too late. The chief executive of the Baiji.org Foundation said, "The strategy of the Chinese Government was a good one, but we didn't have time to put it into action."

    Trivia: 
    • The Baiji weighs 135-230 kg. Its length is up to 2.5 meters in females and 2.3 meters in males
    • The Baiji only occurs in freshwater rivers and lakes, since it favors in an area with sandbars such as Yangtze River.
    • It takes 6 years to mature for females, 4 years for males
    • Baiji was estimated to have lived 24 years
    • Live in small groups of 3-4 animals, which may come together to make up a social unit of 9-16 dolphins



    References: 
    - World Wildlife Fund (2007, September 1). Baiji Dolphin Previously Thought Extinct Spotted In The Yangtze River. ScienceDaily. Retrieved November 14, 2010, from http://www.sciencedaily.com/releases/2007/08/070831123429.htm
    National Marine Fisheries Service (2007). Chinese River Dolphin / Baiji / Yangtze River Dolphin. Retrivied November 9, 2010, from http://www.nmfs.noaa.gov/pr/species/mammals/cetaceans/chineseriverdolphin.htm#more
    Enhancement Endangered animals of the world. (2006, June 4). Animal Info – Baiji. Retrivied November 9, 2010, from http://www.animalinfo.org/species/cetacean/lipovexi.htm
    Wikimedia Foundation, Inc. (2010, November 12). Baiji. Retrivied November 12, 2010 from http://en.wikipedia.org/wiki/Chinese_River_Dolphin