<%BANNER%>

Predator-Mediated Coexistence and Multiple Predator Effects in a Treehole Community

Permanent Link: http://ufdc.ufl.edu/UFE0004288/00001

Material Information

Title: Predator-Mediated Coexistence and Multiple Predator Effects in a Treehole Community
Physical Description: Mixed Material
Copyright Date: 2008

Record Information

Source Institution: University of Florida
Holding Location: University of Florida
Rights Management: All rights reserved by the source institution and holding location.
System ID: UFE0004288:00001

Permanent Link: http://ufdc.ufl.edu/UFE0004288/00001

Material Information

Title: Predator-Mediated Coexistence and Multiple Predator Effects in a Treehole Community
Physical Description: Mixed Material
Copyright Date: 2008

Record Information

Source Institution: University of Florida
Holding Location: University of Florida
Rights Management: All rights reserved by the source institution and holding location.
System ID: UFE0004288:00001


This item has the following downloads:


Full Text











0.5



0.4

C.

O 0.3



0.2



0.1



0


* No Predator
E 1 C. appendiculata
A 2 C. appendiculata
04 C. appendiculata


i


Ai-


Intermediate


High


Resource

Figure 4-2. Mean survivorship (proportion of the original number of larvae surviving to adulthood) of 0. triseriatus (+ SE) at three
levels of resources and four levels of predation.











1.2




1
.2 -





0
+
S0.8


.6
O




z
S0.4
U)

.
O 0.2
-



d 0
z


*No Predator
S1 C. appendiculata
A2 C. appendiculata
04 C. appendiculata

f


Intermediate
Resource


High


Figure 4-3. Mean proportion of A. albopictus surviving (number of A. albopictus surviving divided by the number of A. albopictus +
0. triseriatus surviving) ( SE) at three levels of resources and four levels of predation.














0.45


0.4


0.35


0.3
Q.-3

"0.25


n 0.2


0.15


0.1


0.05


0


*No Predator
* 1 C. appendiculata
A 2 C. appendiculata
0 4 C. appendiculata


if


f


Low


Intermediate
Resource


Figure 4-4. Mean combined survivorship of both prey species (Number of A. albopictus + 0. triseriatus surviving divided by total
prey originally present at start of the experiment) ( SE) at three levels of resources and four levels of predation.
















35



M30



E



0
0
>15
0

0
QS


*No Predator
* 1 C. appendiculata
A 2 C. appendiculata
04 C. appendiculata


(DAi


Intermediate

Resource


High






High


Figure 4-5. Median time to adulthood of A. albopictus ( SE) at three levels of resources and four levels of predation.


















50


(0
240






0
4)

030

C0


(20
a

'-





0


i.


* No Predator
* 1 C. appendiculata
A 2 C. appendiculata
04 C. appendiculata


Intermediate
Resource


High


Figure 4-6. Median time to adulthood of 0. triseriatus (+ SE) at three levels of resources and four levels of predation.




















0.5 -




0.4




E0.3
U)
M T

2II
0.2




0.1 No Predator
I 1 C. appendiculata
A 2 C. appendiculata
0 4 C. appendiculata

0
Low Intermediate High

Resource


Figure 4-7. Mean adult mass of male A. albopictus ( SE) at three levels of resources and four levels of predation.












0.7



0.6



0.5



0) 0.4 1
E


(U
S0.3



0.2


No Predator
0.1 1 C. appendiculata
A2 C. appendiculata
04 C. appendiculata

0
Low Intermediate High

Resource


Figure 4-8. Mean adult mass of female A. albopictus ( SE) at three levels of resources and four levels of predation


on






























0.3


* No Predator
E 1 C. appendiculata
A 2 C. appendiculata
04 C. appendiculata


Intermediate

Resource


High


Figure 4-9. Mean adult mass of male 0. triseriatus ( SE) at three levels of resources and four levels of predation.











* NoPredator
S1 C. appendiculata
A 2 C. appendiculata
04 C. appendiculata


ii


Intermediate
Resource


High


Figure 4-10. Mean adult mass of female 0. triseriatus ( SE) at three levels of resources and four levels of predation.
























0.8




p 0.6 o


00
0.4



0.2 No Predator
S1 C. appendiculata
A 2 C. appendiculata
0 4 C. appendiculata

0
Low Intermediate High

Resource


Figure 4-11. Mean estimates of population performance (X', an analog of the finite rate of increase for the cohort) (+ SE) for A.
albopictus at three levels of resources and four levels of predation. The line at X' = 1 is where the population is being
replaced, neither increasing nor decreasing.