Showing posts with label natural. Show all posts
Showing posts with label natural. Show all posts

Questionable Survival Benefits From Some Human Traits - Evolution

Why has Mankind developed major differences in people when they are not vital for continuing the species? Caucasians have a narrow nasal system for an extremely cold environment, for example, ice ages. Negroid individuals do live in Alaska, however, when their facial structure is intended for living in hot Africa. = high 2s anthropology it paleontology to fossils an cultural or research. anthropology paleontology fossils cultural research. = ; comparative: site charles darwin study evolutionary biology contributions work. ; + tie questionable say survival he benefits let human gov by sub traits of evolution on + $ aye questionable stay survival was benefits hi human by traits pad evolution at $ % of questionable run survival hi benefits ho human ha by in traits on evolution or % ~ do questionable play survival yet benefits ok human as by so traits do evolution up ~ % work contributions biology evolutionary study darwin charles site comparatively: % 0 suggestions survivalism analysis evasion resistance escape fittest skills dead. influences non-human codominant cronus polygenic nongenetic factors 0 * site charles darwin study evolutionary biology contributions work compare questions key areas proposed origin darwin's relevant book focus mate choice years progress time relation topics sex descent man modern sexual selection = compare selection sexual modern man descent sex topics relation time progress years choice mate focus book relevant study darwin's origin proposed areas key questions work contributions biology evolutionary study darwin charles site = ~ ones evidence reaching implications idea foundation eye progressed learned untitled fleshed mechanism evolve factors determine strength intensity partial answers hypothesis seminal page great triumphs laid simple review literature shows aspects plagued confusion disagreement description complex require theory empirical data complete resolution phenomenon surprisingly providing extensive students advised revisit works significant research accomplish concept means natural definitive undoubtedly published now; birth;is excellent reflect relevance typical darwinian fashion colossal tome tongue tripping title henceforth abbreviate strolls myriad ecology futile attempt characterize full spectrum addressed touched sundry issues concepts taxonomy correlated limited inheritance group light reset ~ ! reverse opening Africa. hot in living for intended is structure facial their when however, Alaska, live do individuals Negroid ages. ice example, environment, cold extremely an system nasal narrow a have Caucasians species? the continuing vital not are they people differences major developed Mankind has Why !
Caucasian and Negroid nasal traits

Aboriginal Subsistence Fires Benefit the Ecosystem

Bush fires are natural in Australia. Far from being a curse, they benefit the environment and wildlife generally. Of course this has to be qualified by houses being destroyed and injuries to people. Aboriginals have been intentionally lighting fires for thousands of years.

Actually, it has a positive impact on kangaroo evolution. A fire promotes an increase in kangaroo numbers. To get the greatest benefit the best time for a burn-off  can be identified. Human subsistence is crucial in managing this. It compliments the ecosystem.

Modern farming is detrimental to the way wildlife functions. The system is thrown off-balance. Stopping the burn-off and mono cropping changes everything. Australia needs more burning, not less. Authorities are following the wrong policy. Leaving native trees to grow tall can only lead to eventual disaster as a massive fire results as time passes.

Managed fires provide more food for animals as new shoots appear. Animals can also hide from predators in patches of older growth in the flatter landscape. It is only in farming areas that kangaroos increase to pest proportions. There is a natural peak in regions still controlled in the traditional way by Aboriginals.
Anthropology by Ty Buchanan
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     Australian Blog                         

Fracking and Conservation Do Not Mix

There is always conflict between industry and the natural ecosystem. With the arrival of extraction and even mass agriculture comes pollution detrimental to the flora and fauna. This is no different in Aboriginal regions as in urbanized cities.

Dean Mathews is a Yawuru Aboriginal and Project Officer for the Nyamba Buru Yawuru Aboriginal Corporation. He monitors the impact on groundwater by agriculture and mining. He has made a video. It is significant that the location he tested did not have any visible industry there, so it would be expected that the water was still pure. Test the water adjacent to mining activity and the results would be quite different.

Much has been made of Aboriginal cooperation with industry - too much for my liking. One has the feeling that local Aboriginal have been duped. The mining industry employs people whose sole motivation is to change public opinion to accept the "job-creating" mining companies. The problem is of course that few Aboriginal are qualified to get these jobs.

In my opinion this is just a public relations exercise. As modern agriculture and mining becomes widespread pollution will occur. The states have allowed fracking for natural gas to take place anywhere. The effects of this is disastrous with farmers showing that gas which seeps up after fracking can be ignited with a lighter.

Aboriginals should try as best they can to have their native regions isolated completely from industry. They got the vote and ownership of their land. Now, they have to go one step further and fight for the right to keep minerals where they belong: in the ground.
Conservation by Ty Buchanan
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     Australian Blog                         

Damage From Hurricanes and Tornadoes Still Not Foreseen

Natural disasters on this planet cause human pain and suffering. This includes financial loss from destroyed properties. The science in forecasting such events is still developing. Tornadoes are very unpredictable. Hurricanes move slower; yet the amount of damage is still an unknown quantity.

The whole history of the US has included repeated "attacks" by hurricanes and tornadoes. Tracking of these events began in 1873 with the first hurricane warning by the U.S. Army Signal Corps. Advances were made in understanding flooding from storm surges. This did not prevent the most destructive hurricane of 1900 hitting without warning killing 12,000 citizens.

In 1943 a pilot was sent into the eye of a hurricane. This marked the beginning of an intensive period of study into natural weather events. Ultimately, hurricane forecast models were developed. The 1960s saw the first use of satellites. In 1975 the Saffir-Simpson scale rating hurricane strength of one to five was formulated by two scientists. Consequently, the number of lives lost fell. Twenty three people died during Hurricane Andrew in 1992. The amount of damage remained high - $26 billion. Building better levees after Hurricane Katrina of 2005 only resulted in flooding of regions further along the coast during Hurricane Isaac.

Predicting the paths of hurricanes and tornadoes is improving. There seems to be little hope of reducing property damage. The is a difficult conundrum to accept. Even Mankind cannot overcome every problem.
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Large Birds Are Scared Away by Low-Pitched Noise

You would think that birds are happy to live near humans as they can get easy access to food. Unfortunately, this is not the case, particularly for large birds.

Sound drives them away. Traffic noise and heavy machinery are the culprits. Larger birds use low-pitched songs to communicate. This is drowned out by engines and clunking machines.

Birds and nests were counted near natural gas wells. Compressors on the wells run day and night. The noise is like a reving motorcycle. Thirty species of bird were surveyed. The number of large birds was very low. Small birds have high-pitched songs that can still be heard over rumbling machinery, so their lives are unaffected.
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