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Jakub Horák, horakj(na)fld.czu.cz, L026

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Presentation on theme: "Jakub Horák, horakj(na)fld.czu.cz, L026"— Presentation transcript:

1 Jakub Horák, http://home.czu.cz/horakj/, horakj(na)fld.czu.cz, L026
Biodiversity Biodiversity = biological diversity. Jakub Horák, horakj(na)fld.czu.cz, L026

2 Jakub Horák, http://home.czu.cz/horakj/, horakj(na)fld.czu.cz, L026
Biodiversity The most often (almost always) biodiversity is expressed in number of species. Jakub Horák, horakj(na)fld.czu.cz, L026

3 Jakub Horák, http://home.czu.cz/horakj/, horakj(na)fld.czu.cz, L026
Biodiversity A large number of species have not been discovered. Jakub Horák, horakj(na)fld.czu.cz, L026

4 Jakub Horák, http://home.czu.cz/horakj/, horakj(na)fld.czu.cz, L026
Biodiversity A large number of species have not been discovered. Extinct before discovery Jakub Horák, horakj(na)fld.czu.cz, L026

5 Jakub Horák, http://home.czu.cz/horakj/, horakj(na)fld.czu.cz, L026
Biodiversity A large number of species have not been discovered. Extinct before discovery Not discovered yet Jakub Horák, horakj(na)fld.czu.cz, L026

6 Jakub Horák, http://home.czu.cz/horakj/, horakj(na)fld.czu.cz, L026
Biodiversity A large number of species have not been discovered. Extinct before discovery Not discovered yet We can not distinguish them from other species. Jakub Horák, horakj(na)fld.czu.cz, L026

7 Jakub Horák, http://home.czu.cz/horakj/, horakj(na)fld.czu.cz, L026
Biodiversity Three key abiotic factors. Jakub Horák, horakj(na)fld.czu.cz, L026

8 Jakub Horák, http://home.czu.cz/horakj/, horakj(na)fld.czu.cz, L026
Biodiversity Three key abiotic factors: Light in the form of energy (e.g. heat). Jakub Horák, horakj(na)fld.czu.cz, L026

9 Jakub Horák, http://home.czu.cz/horakj/, horakj(na)fld.czu.cz, L026
Biodiversity Three key abiotic factors: Light in the form of energy (e.g. heat). Humidity (e.g. as precipitation). Jakub Horák, horakj(na)fld.czu.cz, L026

10 Jakub Horák, http://home.czu.cz/horakj/, horakj(na)fld.czu.cz, L026
Biodiversity Three key abiotic factors: Light in the form of energy (e.g. heat). Humidity (e.g. as precipitation). Nutrients (mainly nitrogen). Jakub Horák, horakj(na)fld.czu.cz, L026

11 Jakub Horák, http://home.czu.cz/horakj/, horakj(na)fld.czu.cz, L026
Biodiversity There are archives of biodiversity. Jakub Horák, horakj(na)fld.czu.cz, L026

12 Jakub Horák, http://home.czu.cz/horakj/, horakj(na)fld.czu.cz, L026
Biodiversity There are archives of biodiversity: Literary sources (virtual data) Jakub Horák, horakj(na)fld.czu.cz, L026

13 Jakub Horák, http://home.czu.cz/horakj/, horakj(na)fld.czu.cz, L026
Biodiversity There are archives of biodiversity: Literary sources (virtual data) Museums (dead documentary specimens) + peat etc. Jakub Horák, horakj(na)fld.czu.cz, L026

14 Jakub Horák, http://home.czu.cz/horakj/, horakj(na)fld.czu.cz, L026
Biodiversity There are archives of biodiversity: Literary sources (virtual data) Museums (dead documentary specimens) + peat etc. Zoos and parks (live specimens). en.wikipedia.org Jakub Horák, horakj(na)fld.czu.cz, L026

15 Jakub Horák, http://home.czu.cz/horakj/, horakj(na)fld.czu.cz, L026
Biodiversity Since the 17th century, scientists have recorded the extinction of 134 bird species and 78 mammalian species. Jakub Horák, horakj(na)fld.czu.cz, L026

16 Jakub Horák, http://home.czu.cz/horakj/, horakj(na)fld.czu.cz, L026
Biodiversity Great auk (Pinguinus impennis) Flightless bird (80 cm, 5 kg), that extinct in the middle of the 19. century. annapichnerova.blog.cz Jakub Horák, horakj(na)fld.czu.cz, L026

17 Jakub Horák, http://home.czu.cz/horakj/, horakj(na)fld.czu.cz, L026
Biodiversity Dodo (Raphus cucullatus) Flightless bird (100 cm, 20 kg), that extinct in the end of 17. century. We have not a single specimen (Last burned in Oxford in 1755).  mentalfloss.com Jakub Horák, horakj(na)fld.czu.cz, L026

18 Jakub Horák, http://home.czu.cz/horakj/, horakj(na)fld.czu.cz, L026
Biodiversity Passenger pigeon (Ectopistes migratorius) Probably the most abundant bird (40 cm, 0,25 kg) on the Earth (up to two trillions of individuals). The last individual died in 1914. en.wikipedia.org Jakub Horák, horakj(na)fld.czu.cz, L026

19 Jakub Horák, http://home.czu.cz/horakj/, horakj(na)fld.czu.cz, L026
Biodiversity Thylacine  (Thylacinus cynocephalus) The carnivorous marsupial (55 cm, 30 kg) which extinct at the beginning of the 20th century. procproto.cz nature.com Jakub Horák, horakj(na)fld.czu.cz, L026

20 Jakub Horák, http://home.czu.cz/horakj/, horakj(na)fld.czu.cz, L026
Biodiversity Steller's sea cow  (Hydrodamalis gigas) Marine mammal (7 m, 4 t), which extinct in 1768 (extinct 27 years after discovery). Jakub Horák, horakj(na)fld.czu.cz, L026

21 Jakub Horák, http://home.czu.cz/horakj/, horakj(na)fld.czu.cz, L026
Biodiversity Quagga  (Equus quagga quagga) Mammal (130 cm, 200 kg), extinct in 19. century. Last animal died 12. August 1883 in Amsterdam ZOO. Jakub Horák, horakj(na)fld.czu.cz, L026

22 Jakub Horák, http://home.czu.cz/horakj/, horakj(na)fld.czu.cz, L026
Biodiversity Solenodon (Solenodon cubanus) Mammal (50 cm, 0,6 kg), which extinct in 70´s of 20. century but was rediscovered. blogs.scientificamerican.com Jakub Horák, horakj(na)fld.czu.cz, L026


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