From Individuals to Ecosystems 4th Edition - Chapter 15 ppsx

From Individuals to Ecosystems 4th Edition - Chapter 15 ppsx

From Individuals to Ecosystems 4th Edition - Chapter 15 ppsx

... MSY discounting: liquidating stocks, or leaving them to grow? EIPC15 10/24/05 2:09 PM Page 459 440 CHAPTER 15 (Milner-Gulland & Mace, 1998) – this is sometimes referred to as the ‘triple bottomline’ of sustainability. In ... We cannot con- tinue to use the same pesticides if increasing numbers of pests become resistant to them. We cannot (if we wish to have fish to eat in...
Ngày tải lên : 06/07/2014, 13:20
  • 28
  • 336
  • 0
From Individuals to Ecosystems 4th Edition - Chapter 17 ppsx

From Individuals to Ecosystems 4th Edition - Chapter 17 ppsx

... water too deep for photosynthesis to be appreciable or even to take place at all, but it derives its energy base from dead phytoplankton, bacteria, animals and feces that sink from the autotrophic ... the normal photosynthetic chan- nels, and it overflows into destructive photo-oxidation reactions. The more nutrient-rich a water body is, the shallower its euphotic zone is likely to b...
Ngày tải lên : 06/07/2014, 13:20
  • 26
  • 519
  • 0
From Individuals to Ecosystems 4th Edition - Chapter 21 ppsx

From Individuals to Ecosystems 4th Edition - Chapter 21 ppsx

... species richness from island to island was partitioned, statistically, into that attributable to island area alone, that attrib- utable to habitat diversity alone, that attributable to correlated variation ... species richness may be related to an increase in pro- ductivity as one moves from the poles to the equator. The length of the growing season increases from the poles...
Ngày tải lên : 06/07/2014, 13:20
  • 31
  • 432
  • 0
From Individuals to Ecosystems 4th Edition - Chapter 1 pptx

From Individuals to Ecosystems 4th Edition - Chapter 1 pptx

... area showing the gradual change from pasture to cliff conditions. (c) The mean length of stolons produced in the experimental garden from samples taken from the transect. (From Aston & Bradshaw, 1966.) the ... evolutionary history. All species are absent from almost everywhere, and we consider next, in Chapter 2, the ways in which environmental conditions vary from place...
Ngày tải lên : 06/07/2014, 13:20
  • 28
  • 406
  • 0
From Individuals to Ecosystems 4th Edition - Chapter 2 pps

From Individuals to Ecosystems 4th Edition - Chapter 2 pps

... sampled from diverse localities in northern USA and Canada, and were tested for freezing tolerance and ability to acclimate to cold. Individuals from the most freeze-tolerant population (from ... example, a sea height 15 20 cm below average equates to a temperature anomaly of approximately 2–3°C. (Image from http: //topex-www.jpl.nasa.gov/science/images/el-nino-la-nina.jpg.)...
Ngày tải lên : 06/07/2014, 13:20
  • 28
  • 436
  • 0
From Individuals to Ecosystems 4th Edition - Chapter 3 potx

From Individuals to Ecosystems 4th Edition - Chapter 3 potx

... dioxide The CO 2 used in photosynthesis is obtained almost entirely from the atmo- sphere, where its concentration has risen from approximately 280 µll −1 in 1750 to about 370 µll −1 today and is still ... feedback from elevated CO 2 concentrations to plant growth, to microbial activity and back to plant growth. The arrows between descriptors indicate causation; the black arrow...
Ngày tải lên : 06/07/2014, 13:20
  • 31
  • 544
  • 0
From Individuals to Ecosystems 4th Edition - Chapter 4 ppt

From Individuals to Ecosystems 4th Edition - Chapter 4 ppt

... sometimes to pupae, and then to adults; plants pass from seeds to seedlings to photosynthesizing adults; and so on. The different stages are likely to be influenced by different factors and to have ... population to describe a group of individuals of one species under investigation. What actually constitutes a popula- tion, though, will vary from species to species and f...
Ngày tải lên : 06/07/2014, 13:20
  • 43
  • 519
  • 0
From Individuals to Ecosystems 4th Edition - Chapter 5 pps

From Individuals to Ecosystems 4th Edition - Chapter 5 pps

... therefore trajectories that follow a cohort through time. This is indicated by arrows, pointing from many small, young individuals (bottom right) to fewer, larger, older individuals (top left). Mean ... small population sizes: A to B, B to C) and is small close to the carrying capacity (I to J, J to K), but is large at intermediate densities (E to F). The result is an ‘S...
Ngày tải lên : 06/07/2014, 13:20
  • 31
  • 479
  • 0
From Individuals to Ecosystems 4th Edition - Chapter 6 pot

From Individuals to Ecosystems 4th Edition - Chapter 6 pot

... (Murton et al., 1966). Individuals may also gain from living in groups if this helps to locate food, give warning of predators or if it pays for individuals to join forces in fighting off a predator ... attracting individuals to disperse towards one another and forces provoking individuals to disperse away from one another. As we shall see in a later chapter, such compromi...
Ngày tải lên : 06/07/2014, 13:20
  • 23
  • 322
  • 0
From Individuals to Ecosystems 4th Edition - Chapter 7 docx

From Individuals to Ecosystems 4th Edition - Chapter 7 docx

... which grows from 1900 to 3000 m. But as colder weather sets in, they travel to lower elevations and from October to May they feed primarily on Bashania fargesii, which grows from 1000 to 2100 m. ... population interactions (Chapter 15) and then of communities and ecosys- tems (Chapter 22). Individual organisms have a physi- ology that fits them to tolerate partic- ular range...
Ngày tải lên : 06/07/2014, 13:20
  • 39
  • 461
  • 0

Xem thêm

Từ khóa: