Appendix A. Tables showing mean post-treatment abundances of the twenty most abundant arthropod taxa on Douglas-fir by functional group in each of the six green-tree retention treatments (Table A1) , on Douglas-fir by functional group on edge and interior trees in aggregated retention treatments (Table A2), on vine maple by functional group in each of the six green-tree retention treatments (Table A3) , and on vine maple by functional group on edge and interior trees in aggregated retention treatments (Table A4).
TABLE A1. Mean (SE) post-treatment (1999–2000) abundances (no./kg plant material) of the 20 most abundant arthropod taxa on Douglas-fir by functional group (in bold), in each of the six green-tree retention treatments.
|
Mean abundance (SE) |
Treatment |
Block |
|||||||||
|
Taxon |
Functional group |
100% |
75%A |
40%D |
40%A |
15%D |
15%A |
MSE |
F |
F(5,25) |
F(5,25) |
|
Tortricidae |
Folivore |
0.5(0.5) |
0.0(0.0) |
32.0(32.0) |
3.3(2.0) |
4.0(4.0) |
0.7(0.4) |
1.0 |
1.9 |
0.8 |
3.1* |
|
Adelges |
Sap-sucker |
7.5(3.3) |
6.8(4.7) |
5.9(2.2) |
7.9(3.3) |
15.6(11.1) |
6.9(2.1) |
0.9 |
2.5 |
0.3 |
4.7** |
|
Elatobium |
Sap-sucker |
5.3(1.0) |
1.1(0.5) |
4.2(0.9) |
7.1(2.9) |
2.8(1.1) |
9.4(4.3) |
0.7 |
2.1 |
1.9 |
2.3 |
|
Cinara |
Sap-sucker |
3.5(2.1) |
13.4(12.1) |
5.6(3.8) |
0.6(0.4) |
0.4(0.4) |
0.0(0.0) |
1.1 |
1.3 |
1.3 |
1.2 |
|
Misc. aphid |
Sap-sucker |
4.6(3.3) |
4.0(3.7) |
4.7(2.8) |
0.3(0.2) |
2.0(1.2) |
2.6(2.2) |
0.6 |
3.7 |
0.9 |
6.6** |
|
Contarinia |
Gallformer |
0.7(0.5) |
0.3(0.3) |
6.3(6.3) |
1.5(0.9) |
6.4(6.3) |
43.2(41.7) |
0.7 |
5.4 |
1.2 |
9.7*** |
|
Miridae |
Predator |
2.6(1.2) |
1.5(0.6) |
4.6(3.3) |
3.0(0.5) |
1.6(0.9) |
2.6(1.0) |
0.5 |
2.1 |
0.7 |
3.5** |
|
Syrphidae |
Predator |
0.4(0.2) |
0.0(0.0) |
0.2(0.2) |
0.0(0.0) |
0.0(0.0) |
0.5(0.5) |
0.1 |
1.2 |
1.0 |
1.4 |
|
Salticidae |
Predator |
6.9(5.0) |
2.3(0.6) |
4.5(1.8) |
9.7(8.1) |
0.9(0.5) |
1.5(0.9) |
0.9 |
1.3 |
0.9 |
1.6 |
|
Philodromidae |
Predator |
3.6(1.1) |
1.7(0.6) |
1.8(0.5) |
2.3(0.5) |
3.4(1.5) |
6.2(1.8) |
0.6 |
0.6 |
1.0 |
0.1 |
|
Linyphiidae |
Predator |
3.0(1.2) |
2.9(0.9) |
3.0(2.2) |
2.1(1.0) |
1.1(1.1) |
3.3(1.3) |
0.5 |
2.3 |
1.3 |
3.2* |
|
Bdellidae |
Predator |
3.2(1.1) |
2.9(0.6) |
3.3(2.3) |
3.5(1.3) |
1.4(0.6) |
13.0(9.2) |
0.9 |
0.9 |
0.6 |
1.2 |
|
Psocoptera |
Detritivore |
28.8(17.2)ab |
21.7(10.2)ab |
34.9(31.5)ab |
7.3(3.9)ab |
16.2(13.7)b |
28.7(11.8)a |
0.6 |
12.8 |
3.6** |
22.0*** |
|
Hypogasturidae |
Detritivore |
8.1(8.1) |
2.5(1.3) |
5.6(5.6) |
4.3(4.0) |
3.8(2.9) |
1.6(1.1) |
0.9 |
3.0 |
0.1 |
5.9*** |
|
Camisia |
Detritivore |
17.5(7.9) |
9.1(4.0) |
14.3(8.6) |
13.2(6.3) |
4.4(2.0) |
7.2(3.0) |
0.6 |
6.9 |
1.3 |
12.4*** |
|
Jugatala sp. 1 |
Detritivore |
11.0(3.9) |
11.5(4.8) |
13.1(3.9) |
13.9(3.1) |
15.6(12.3) |
15.7(8.5) |
0.9 |
3.4 |
0.8 |
6.1*** |
|
Jugatala sp. 2 |
Detritivore |
0.3(0.3) |
0.7(0.5) |
0.9(0.5) |
0.6(0.4) |
0.0(0.0) |
0.0(0.0) |
0.2 |
0.6 |
1.0 |
0.2 |
|
Scapheremaeus |
Detritivore |
0.8(0.5) |
0.9(0.8) |
2.9(1.6) |
3.1(2.2) |
0.4(0.2) |
0.3(0.3) |
0.5 |
2.1 |
1.3 |
2.9* |
|
Acaridae |
Detritivore |
1.6(1.3) |
0.0(0.0) |
11.2(11.2) |
3.8(3.0) |
2.1(2.118) |
9.6(6.3) |
0.9 |
3.1 |
1.5 |
4.6** |
|
Thrips sp. 1 |
Detritivore |
40.9(38.2) |
20.2(10.5) |
81.3(60.0) |
156.2(100.6) |
66.1(62.6) |
105.6(70.1) |
1.6 |
8.4 |
0.7 |
16.2*** |
Note: Data represent the pooled abundance of June and August samples (n = 6).
*P < 0.05, **P < 0.01,***P < 0.001.
TABLE A2. Mean (SE) post-treatment (1999–2000) abundances (no./kg plant material) of the 20 most abundant arthropod taxa on Douglas-fir by functional group, on edge and interior trees in aggregated retention treatments (15%A, 40%A, and 75%A).
|
Mean abundance (SE) |
MSE |
|
Treatment |
Position |
Treatment × Position |
|||
|
Taxon |
Functional group |
Edge |
Interior |
Whole plot (treatment) |
Split plot (position) |
F(2,25) |
F(1,25) |
F(2,25) |
|
Tortricidae |
Folivore |
0.7(0.3) |
1.3(0.7) |
0.4 |
0.4 |
2.3 |
0.1 |
0.9 |
|
Adelges |
Sap-sucker |
23.4(16.9) |
7.2(1.9) |
2.4 |
0.9 |
0.6 |
0.2 |
0.0 |
|
Elatobium |
Sap-sucker |
2.9(1.1) |
5.9(1.8) |
0.9 |
0.9 |
2.2 |
1.3 |
0.7 |
|
Cinara |
Sap-sucker |
8.2(3.5) |
4.7(4.1) |
1.4 |
1.7 |
0.9 |
2.1 |
1.1 |
|
Misc. aphid |
Sap-sucker |
7.9(7.1) |
2.3(1.4) |
1.2 |
1.2 |
0.3 |
0.0 |
0.4 |
|
Contarinia |
Gallformer |
3.3(3.2) |
15.0(13.9) |
1.6 |
1.0 |
0.2 |
1.4 |
2.5 |
|
Miridae |
Predator |
0.9(0.3) |
2.4(0.4) |
0.3 |
0.3 |
0.0 |
8.1** |
2.6 |
|
Syrphidae |
Predator |
0.4(0.2) |
0.2(0.2) |
0.1 |
0.1 |
0.9 |
2.5 |
4.5* |
|
Salticidae |
Predator |
5.7(3.2) |
4.5(2.7) |
1.5 |
0.5 |
0.6 |
0.4 |
0.3 |
|
Philodromidae |
Predator |
3.5(0.6) |
3.3(0.8) |
0.4 |
0.5 |
0.6 |
0.4 |
2.3 |
|
Linyphiidae |
Predator |
3.3(1.5) |
2.8(0.6) |
0.7 |
0.6 |
0.0 |
0.1 |
0.8 |
|
Bdellidae |
Predator |
3.2(0.7) |
6.4(3.1) |
0.8 |
0.8 |
0.1 |
0.2 |
0.7 |
|
Psocoptera |
Detritivore |
12.0(5.8) |
19.2(5.5) |
2.9 |
0.6 |
2.6 |
7.0** |
1.9 |
|
Hypogasturidae |
Detritivore |
6.8(4.0) |
2.8(1.4) |
2.5 |
0.3 |
0.2 |
0.0 |
0.1 |
|
Jugatala sp. 1 |
Detritivore |
9.7(3.7) |
13.7(3.2) |
1.6 |
0.9 |
0.3 |
1.9 |
0.6 |
|
Jugatala sp. 2 |
Detritivore |
0.7(0.4) |
0.4(0.2) |
0.3 |
0.3 |
0.2 |
0.0 |
0.9 |
|
Camisia |
Detritivore |
10.8(3.0) |
9.8(2.6) |
2.2 |
0.5 |
0.1 |
0.0 |
0.6 |
|
Scapheremaeus |
Detritivore |
2.1(0.9) |
1.4(0.8) |
0.8 |
0.3 |
2.0 |
1.1 |
4.4** |
|
Acaridae |
Detritivore |
2.8(1.9) |
4.5(2.4) |
1.3 |
0.6 |
0.3 |
0.6 |
5.4** |
|
Thrips sp. 1 |
Detritivore |
35.5(17.4) |
94.0(40.8) |
7.2 |
1.6 |
0.6 |
2.2 |
0.7 |
Note: Data represent the pooled abundance of June and August samples (n = 6).
*P < 0.05, **P < 0.01, ***P < 0.001.
TABLE A3. Mean (SE) post-treatment (1999–2000) abundances (no./kg plant material) of the 20 most abundant arthropod taxa on vine maple by functional group, in each of the six green-tree retention treatments.
|
Mean abundance (SE) |
Treatment |
Block |
|||||||||
|
Taxon |
Functional group |
100% |
75%A |
40%D |
40%A |
15%D |
15%A |
MSE |
F |
F(5,10) |
F(2,10) |
|
Geometridae |
Folivore |
52.4(32.8) |
17.0(7.1) |
3.8(3.8) |
5.8(5.8) |
6.5(3.2) |
38.6(38.6) |
3.2 |
1.0 |
0.6 |
1.8 |
|
Misc. scales |
Sap-sucker |
108.1(108.1) |
6.5(6.5) |
0.0(0.0) |
14.4(14.4) |
0.0(0.0) |
0.0(0.0) |
3.1 |
0.8 |
0.7 |
1.0 |
|
Periphyllus |
Sap-sucker |
283.5(136.8) |
107.3(94.1) |
123.5(35.5) |
144.0(100.9) |
55.9(13.2) |
222.6(47.2) |
0.9 |
2.4 |
1.4 |
4.9* |
|
Cantharidae |
Predator |
0.0(0.0) |
0.0(0.0) |
7.8(7.8) |
0.0(0.0) |
3.4(3.4) |
0.0(0.0) |
0.7 |
1.4 |
1.0 |
2.4 |
|
Lestodiplosus |
Predator |
0.0(0.0) |
0.0(0.0) |
0.0(0.0) |
0.0(0.0) |
89.0(88.2) |
12.2(12.2) |
1.8 |
1.7 |
1.4 |
2.4 |
|
Linyphiidae |
Predator |
13.3(10.1) |
8.7(4.4) |
29.0(16.2) |
36.9(23.6) |
5.0(5.0) |
12.4(10.5) |
2.9 |
0.7 |
0.6 |
0.9 |
|
Philodromidae |
Predator |
12.0(7.3) |
2.9(2.9) |
1.1(1.1) |
3.6(1.9) |
0.0(0.0) |
8.9(1.4) |
1.1 |
1.9 |
2.1 |
1.2 |
|
Salticidae |
Predator |
0.0(0.0) |
0.0(0.0) |
0.0(0.0) |
1.5(1.5) |
43.9(38.2) |
0.0(0.0) |
1.1 |
2.1 |
2.6 |
1.0 |
|
Anyphaenidae |
Predator |
3.4(3.4) |
1.5(1.5) |
0.0(0.0) |
1.5(1.5) |
0.0(0.0) |
0.0(0.0) |
0.4 |
2.1 |
1.0 |
4.7* |
|
Bdellidae |
Predator |
118.1(118.1) |
10.4(5.7) |
1.1(1.1) |
2.1(2.1) |
0.0(0.0) |
11.1(11.1) |
3.6 |
0.5 |
0.5 |
0.6 |
|
Psocoptera |
Detritivore |
41.1(41.1) |
20.2(20.2) |
7.7(7.7) |
27.5(23.7) |
8.0(8.0) |
15.1(12.2) |
0.5 |
16.2 |
1.2 |
53.6*** |
|
Entomobryidae |
Detritivore |
0.0(0.0) |
0.0(0.0) |
41.0(6.2) |
25.2(18.3) |
16.4(12.8) |
0.0(0.0) |
1.6 |
2.3 |
2.4 |
1.8 |
|
Hypogasturidae |
Detritivore |
8.4(8.4) |
0.0(0.0) |
0.0(0.0) |
0.0(0.0) |
0.0(0.0) |
0.0(0.0) |
0.6 |
1.0 |
1.0 |
1.0 |
|
Smithuridae |
Detritivore |
0.0(0.0) |
0.0(0.0) |
464.6(464.6) |
0.0(0.0) |
0.0(0.0) |
0.0(0.0) |
2.9 |
1.0 |
1.0 |
1.0 |
|
Camisia |
Detritivore |
3.4(3.4)ab |
0.0(0.0)b |
0.0(0.0)b |
11.9(7.3)a |
0.0(0.0)b |
2.0(2.0)ab |
0.7 |
2.6 |
3.3* |
0.8 |
|
Thrips sp. 1 |
Miscellaneous |
20.6(18.4) |
21.1(13.9) |
0.0(0.0) |
94.3(82.7) |
230.2(117.4) |
52.1(26.1) |
3.5 |
2.4 |
1.5 |
4.7* |
|
Thrips sp. 2 |
Miscellaneous |
0.0(0.0) |
1.5(1.5) |
36.0(36.0) |
5.1(5.1) |
0.0(0.0) |
2.4(2.4) |
2.1 |
0.6 |
0.5 |
0.8 |
|
Chironomidae |
Miscellaneous |
0.0(0.0) |
1.5(1.5) |
3.8(3.8) |
8.3(8.3) |
0.0(0.0) |
0.0(0.0) |
0.7 |
2.0 |
1.0 |
4.4* |
Note: Data represent the pooled abundance of June and August samples (n = 3). See Table A1 for other details.
TABLE A4. Mean (SE) post-treatment (1999–2000) abundances (no./kg plant material) of the 20 most abundant arthropod taxa on vine maple by functional group (in bold), on edge and interior trees in aggregated retention treatments (15%A, 40%A, and 75%A). See Table A2 for details.
|
Mean abundance (SE) |
MSE |
|
Treatment |
Position |
Treatment × Position |
|||
|
Taxon |
Functional group |
Edge |
Interior |
Whole plot (treatment) |
Split plot (position) |
F(2,10) |
F(1,10) |
F(2,10) |
|
Geometridae |
Folivore |
11.6(4.9) |
20.5(12.4) |
2.8 |
2.6 |
0.0 |
0.0 |
1.3 |
|
Misc. scales |
Sap-sucker |
36.8(36.8) |
7.0(5.0) |
3.8 |
0.7 |
1.3 |
0.0 |
0.4 |
|
Periphyllus |
Sap-sucker |
675.7(354.9) |
158.0(45.4) |
7.6 |
2.9 |
0.9 |
0.3 |
0.1 |
|
Cantharidae |
Predator |
12.4(5.5) |
0.0(0.0) |
0.8 |
1.2 |
1.9 |
7.1* |
1.9 |
|
Formicidae |
Predator |
7.9 (7.9) |
0.0(0.0) |
0.7 |
1.0 |
1.0 |
1.0 |
1.0 |
|
Lestodiplosus |
Predator |
7.7(6.5) |
4.1(4.1) |
2.4 |
0.4 |
2.1 |
0.4 |
0.2 |
|
Linyphiidae |
Predator |
1.6(1.1) |
19.3(8.7) |
1.2 |
1.4 |
0.2 |
7.4* |
1.2 |
|
Philodromidae |
Predator |
4.5(2.7) |
5.1(1.4) |
1.0 |
0.8 |
3.4 |
1.1 |
0.1 |
|
Salticidae |
Predator |
17.0(13.7) |
0.5(0.5) |
1.7 |
1.7 |
0.0 |
3.2 |
0.5 |
|
Anyphaenidae |
Predator |
1.2(1.2) |
1.0(0.7) |
0.7 |
0.2 |
1.8 |
0.1 |
0.7 |
|
Bdellidae |
Predator |
3.8(2.9) |
7.9(3.9) |
1.5 |
2.2 |
0.0 |
0.7 |
0.8 |
|
Psocoptera |
Detritivore |
28.5(12.4) |
20.9(9.8) |
5.9 |
1.7 |
0.5 |
0.0 |
0.4 |
|
Entomobryidae |
Detritivore |
0.0(0.0) |
8.4(6.7) |
0.5 |
0.7 |
3.6 |
3.6 |
3.6 |
|
Hypogasturidae |
Detritivore |
1.9(1.9) |
0.0(0.0) |
0.3 |
0.5 |
1.0 |
1.0 |
1.0 |
|
Smithuridae |
Detritivore |
4.3(4.3) |
0.0(0.0) |
0.5 |
0.8 |
1.0 |
1.0 |
1.0 |
|
Camisia |
Detritivore |
4.7(4.3) |
4.6(2.8) |
0.8 |
1.2 |
1.4 |
0.5 |
2.7 |
|
Acaridae |
Detritivore |
1.4(1.4) |
0.0(0.0) |
0.3 |
0.4 |
1.0 |
1.0 |
1.0 |
|
Thrips sp. 1 |
Miscellaneous |
39.5(16.8) |
55.8(27.4) |
4.9 |
2.5 |
0.6 |
0.0 |
0.1 |
|
Thrips sp. 2 |
Miscellaneous |
24.9(17.2) |
3.0(1.8) |
2.0 |
0.7 |
2.1 |
5.6 |
4.3 |
|
Chironomidae |
Miscellaneous |
9.1(5.3) |
3.2(2.7) |
1.1 |
0.8 |
1.3 |
4.1 |
7.1* |