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DESCRIPTION OF SPECIES WITHIN THE GENUS BREVICEPS(4)
Breviceps fuscus (Black rain frog)Female length 51 mm.Lower surface texture smooth.Lower surface colour dark.Tympanum not visible.Inner toes longer than wide.Outer toes longer than wide.Endemism...
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DESCRIPTION OF SPECIES WITHIN THE GENUS BREVICEPS(5)
Breviceps gibbosus (Giant rain frog)Female length 60 mm.Lower surface texture rough/granular.Lower surface colour light.Tympanum not visible.Inner toes as long as wide.Outer toes unknown.Endemism...
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DESCRIPTION OF SPECIES WITHIN THE GENUS BREVICEPS(6)
Breviceps rosei Power,1926 (Rose's rainfrog)Female length 36 mm.Lower surface texture smooth.Lower surface colour light.Tympanum not visible.Inner toes as long as wide.Outer toes as long as...
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FYNBOS: HERITAGE AT OUR FEET
Cape Floral KingdomThe Cape Floral Kingdom (CFK) is one of six globally recognized plant kingdoms and occurs in South Africa in the Western Cape Province extending eastwards into the Eastern Cape...
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DESCRIPTION OF SPECIES WITHIN THE GENUS BREVICEPS(7)
Breviceps montanus Power,1926 (Mountain rain frog)Female length 52 mm.Lower surface texture rough/granular.Lower surface colour dark.Tympanum not visible.Inner toes as long as wide.Outer toes as long...
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NATURE'S INVESTMENTS INTO PAST BIODIVERSITY
Biodiversity can be defined as the number and variability of species, genes and communities, temporally and spatially (Sepkoski 1997). Understanding past biodiversity is important if one wants to...
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DESCRIPTION OF SPECIES WITHIN THE GENUS BREVICEPS(7)
Breviceps namaquensis Power,1926 (Namaqua rain frog)Female length 45 mm.Lower surface texture smooth.Lower surface colour light.Tympanum unknown.Inner toes as long as wide.Outer toes unknown.Endemism...
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DESCRIPTION OF SPECIES WITHIN THE GENUS BREVICEPS(8)
Breviceps adspersus Peters,1882 (Common rain frog)Female length 60 mm.Lower surface texture smooth.Lower surface colour light.Tympanum not visible.Inner toes as long as wide.Outer toes as long as...
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DESCRIPTION OF Breviceps Poweri
Breviceps poweri Parker,1934 (Power's rain frog)Female length 50 mm.Lower surface texture unknown.Lower surface colour unknown.Tympanum not visible.Inner toes unknown.Outer toes unknown.Endemism not...
View ArticleOPTION TO REPLACE TESTS WITH A WRITTEN EXAM
If any of you are unhappy about the interactive tests, I am prepared to set a "normal" exam on the same material (six Powerpoints) which we could write on Thursday 5 April 2007. If you are interested...
View ArticleTHE DYNAMIC FUNCTIONING OF MANGROVES
Mangrove ecosystems are essentially tropical to subtropical ecosystems, structurally dominated by trees and shrubs, some herbaceous plants and vines with associated biota. Mangroves predominantly occur...
View ArticleAIR POLLUTION, A LETHAL INJECTION
Air pollution affects biodiversity on a great scale. The atmosphere, lithosphere, and hydrosphere are negatively affected by pollution [1]. Air pollution affects lower life forms more than higher life...
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GENETICALLY MODIFIED SUICIDE...
Recently I read an interesting article in the Science and Technology section of the Sunday Times. The article was on genetically modified insects, specifically mosquitoes in order to control disease.We...
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PRESENTATION ABSTRACT-METAPOPULATIONS WITH A SPECIAL FOCUS ON BUTTERFLY...
In 1969 and 1970, Richard Levins introduced the term “metapopulation” in his work on the biological control of pests (Hanski and Gilpin, 1997; Levins, 1969). He used models of migration, extinction,...
View ArticleREFERENCING??
I've got a question to anyone that's willing to help:Is it acceptable to use number as well as formal (stating authority in full) referencing simultaneously in-text? E.g. "Butterlies exist as...
View ArticleKEY ON DOLPHINS AND WHALES
Characters: 23 in data, 16 included, 1 in key.Items: 11 in data, 11 included, 11 in key.Parameters: Rbase = 1.40 Abase = 2.00 Reuse = 1.01 Varywt = .80Characters included: 1–2 6–16 18 22–23Character...
View ArticleINTERACTIVE KEY ON WHALES AND DOLPHINS
Key 5a. Confirmatory charactersCharacters: 21 in data, 14 included, 8 in key.Items: 11 in data, 11 included, 14 in key.Parameters: Rbase = 1.40 Abase = 2.00 Reuse = 1.01 Varywt = .80Characters...
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A LOSS OF GENETIC INTEGRITY- Hybridization in the most endangered canid,...
By Dane E. McDonaldImage 1 Canis simensis with characteristic fur markingsCanis simensis, also called the Ethiopian wolf or Simien jackal, is a canid that occurs in the geographical isolation of a...
View ArticleChapter 7- High biodiversity under threat POPULARITY POLL
Please all, take some time to give chapter 7 a rating from 1-10. I found it excrutiating! I give it a 4...
View ArticleINTERACTIVE KEY ON ATLANTIC OCEAN JELLYFISH
Characters: 25 in data, 19 included, 10 in key.Items: 10 in data, 10 included, 10 in key.Parameters: Rbase = 1.40 Abase = 2.00 Reuse = 1.01 Varywt = .80Characters included: 1–2 5–6 8–11 13 15–20...
View ArticleINTERACTIVE KEY ON DOLPHINS AND WHALES
Key 5a. Confirmatory charactersCharacters: 22 in data, 15 included, 8 in key.Items: 11 in data, 11 included, 14 in key.Parameters: Rbase = 1.40 Abase = 2.00 Reuse = 1.01 Varywt = .80Characters...
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DESCRIPTION OF 10 COMMON ATLANTIC OCEAN JELLYFISH
Description of Cyanea capillataShape umbrella.Bell description unknown.Bell diameter 50–250 cm.Bell height 50–250 cm.Bell margin scalloped.Marginal lappets present.Exumbrella surface unknown.Mesoglea...
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DESCRIPTIONS OF WHALES AND DOLPHINS
Balaena glacialis (Southern Right Whale)http://images.google.co.za/images?svnum=10&hl=en&gbv=2&q=Balaena+glacialisDistribution Arctic and Sub Antarctica; or near the coast; or Southern...
View ArticleINTERACTIVE DELTA KEY ON THE SKATES (CHONDRICHTHYES)
Key 5a. Confirmatory charactersCharacters: 20 in data, 12 included, 9 in key.Items: 11in data, 11 included, 11 in key.Parameters: Rbase = 1.40 Abase =2.00 Reuse = 1.01 Varywt = .80Characters included:...
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DESCRIPTION OF THE SKATES (CHONDRICHTHYES)
Bathyraja smithii (African softnose skate)Maximum disc width:length ratio 1.3 times as broad as long.First dorsal fin Separate.Maximum angle in front of spiracles 90–100 degrees.Snout shape...
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