ESPM 131 Lecture Notes - Lecture 31: Enu, Css Box Model, Ribosomal Rna
1 May 2018
School
Course
Professor
Lecture 31 :Ecological Principles I4/16
.
Macro vs. micro
ecology :dist . of people +Microbes are both heterogeneous trelated tons . availability
.
competition :use of limited en .res .by Zepopsfane pop
-
comp . exclusion :Isp . dim other if more Wfiiimt
-
limiting resources :
.direct : interference camp
.indirect :exploitative (depl .res .avail .
to others
)+apparent (shared predators
)
.
ecological strategies :-non CQ
-
growth -optimized (r-set):fast
,
inefficient ,outgow comps . -vnstabhtunpred . enu
-
resource -optimized (k-AD :slow
,
efficient
,comp.for lim . res .
-stable
,
predictable enu
-wpiotrophs (r.stats :Bacteroideks ,B- Pntobaet
.←7yC-
min mk
-oligotrophs A- start):Acidobad .
←buy C- min nak
-ecological staircase (Mendocino
):Pygmy Forest
,
each step ~100k yr.old
,
natural Art .gradient ,
more nstat @coast
-
game theory :45,
RE
.coli stains (coli an prod ,
sensitive,
resistant
)
-eat of phys .Isolation :comp . exd . only works if orgs are active in the same plant @
the same time (ex :phys .
sep .due to lower aq .lonnuhvily),richness ediv .highest Y
lower Y
.
isolation in time (dormancy
): ie . spores,
biofilms
,ahineks →
more dormancy = more nohldivevsity (Rank
abund and
.varies across systems :P4bliktihood of good times
.look for f. of inactive cells +ONS by meaning RRNA
.Ecosystem succession :
-4 -box model (Holling
)fdisturbance
-exploitation
,
conservation
,
release
,may .
