• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

Humans and the Galapogas Islands

Extracts from this document...

Introduction

HUMANS AND THE GALAPAGOS ISLANDS The Galapagos Archipelago is located on both sides of the equatorial line approximately 970 km (600 miles) west from continental Ecuador. Local time is -6 GMT. It is formed by thirteen greater islands, six smaller islands, 42 islets and several rocks, which cover a total area of 7,850 km². The largest island is Isabela, with a total area of 4,590 km² which presents the highest point of the archipelago, volcano Wolf, 1,690 meters. 97% of the total area of the isles belongs to the Galapagos National Park, the rest belongs to inhabited and developed areas. Delicate ecosystems are continually threatened by population pressures, tourism, introduced species, poaching and illegal fishing. Several animal species native to the Galapagos Islands are gradually disappearing as direct result of fishing and collecting. Illegal poaching of rare or even endangered species and the harvesting of several prized marine species are both on the rise, as international demand for local products such as sea cucumbers and shark fins has grown. ...read more.

Middle

The impact of alien mammals was illustrated by goats on the Island of Santiago. Some initially released in 1833 probably died out, but a further release of goats and some pigs in 1917 were so successful that by the 1970s up to 100,000 goats were roaming the island. They devastated the flora while at the same time allowing two alien herbs, which the goats do not like, to flourish. In 1972 there was still some wooded vegetation but by 2003 there was mainly grassland. A programme to eradicate all the goats and pigs on Santiago and Northern Isabela was undertaken and completed by 2006. On Pinta Island where one male and two female goats were introduced in 1959, by 1974 there were about 30,000 of them. These were eradicated and resulted in the start of such tremendous plant growth that it is now considered that some balance needs to be reached by an herbivorous species. ...read more.

Conclusion

The Foundation is part of a network of local and national organizations supporting Galapagos Island protection. For fifty years, CDF has worked closely with the Galapagos National Park Service (GNPS), the main government authority overseeing the safeguarding of the islands? natural resources, providing the results of scientific research to conserve this living laboratory. CDF?s mission is to provide knowledge and assistance through scientific research and complementary action to ensure the conservation of the environment and biodiversity in the Galapagos Archipelago. Within this context, the vision of the CDF for 2016 is to be the world's leading research institution dedicated to the conservation of the biological diversity and natural resources of Galapagos, and committed to building a sustainable and collaborative society to achieve this objective. The Galapagos Marine Reserve was established in 1998. Created as a "Protected Area", designed to protect the waters surrounding the Galapagos Islands and the resources they contain. The waters surrounding the Galapagos are home to 3000 species of marine plants and animals. The designation of the Galapagos Marine Reserve recognizes the principles of conservation, and creates the legal basis for such special treatment. ...read more.

The above preview is unformatted text

This student written piece of work is one of many that can be found in our AS and A Level Genetics, Evolution & Biodiversity section.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related AS and A Level Genetics, Evolution & Biodiversity essays

  1. Marked by a teacher

    Epping Forest Coursework

    4 star(s)

    make the axis for the plot of land in the light and dark areas. It will also provide coordinates for both axis. Each area will be 15m by 15m. (225m2) Gridded quadrat 1 This will be used to show the coordinate at which point the height of bracken will be measured.

  2. Peer reviewed

    Is there a relationship between the girth of a tree trunk and the percentage ...

    4 star(s)

    North face / % Percentage cover of lichens on East face / % Percentage cover of lichens on South face / % Percentage cover of lichens on West face / % Average cover of lichens / % Light intensity / lux 1 1.313 52 27 39 32 37.50 783 2

  1. Peer reviewed

    Problem - Maintaining the habitat of the capybara and breeding them for meat.

    4 star(s)

    Conservation of the capybara. Another major threat to the capybara is hunting by humans for meat and oil from the subcutaneous fat, which is a popular medicine in southern South America (distribution of capybara shown left http://en.wikipedia.org/wiki/Image:Capybara-range.png ). The hides are used to make gloves, belts, leatherjackets, handbags, harnesses and saddles.

  2. Free essay

    Outline the impact on the evolution of plants and animals of: ...

    By growing different strains with different combinations of nutrients, Beadle and Tatum were able to establish which enzyme was lacking in each mutant strain. They also found that each genetic mutation was at a specific site on the moulds chromosomes. They concluded that different sites were associated with each enzyme.

  1. HSC maintaining a balance notes

    This results in a new allele which produces a variation in offspring when passed on through sexual reproduction. Sickle-cell anemia - a single mutation in hemoglobin molecule leads to production of valine instead of glutamic acid. 4. e) Mutagenic Nature of Radiation Mutations are caused by mutagens, which are natural or human-made agents (physical or chemical)

  2. Colour variation in Littorina littoralis on the upper, middle and lower zones of a ...

    This investigation looks to see if this is the case, and if so, will attempt to justify the reasons. If the population of Littorina littoralis were to increase, predators which feed from them will themselves thrive due to the increase in food source.

  1. Investigating the colour variation of Littorina littoralis and their abundance across the upper, middle ...

    Hence at one point in time, the numbers of both predator and prey will increase. There will however come a time where the predators will be consuming large numbers of Littorina littoralis, and so their population decreases. Logically, a decrease in food source will be followed by a decrease in predator numbers through intraspecific competition.

  2. Jurassic Park And Tech.

    The viability of DNA is tested in this simple way. Amino acids, which are the building blocks of proteins, come in both left-handed and right-handed forms. Most organisms build proteins using left-handed amino acids known as L-enantiomers. After death, a chemical process known as racemization begins changing L-enantiomers into right-handed D-enantiomers until a balance is reached.

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work