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53- 103
Phyto coeno logia
Berli n-Stu ttgart , June 30, 1993
Epi phy te com mu niti es of trop ical mo nta ne rain forests in the nor the rn Andes II. Up per mo nta ne com mu niti es by Jan H. D. WoLF, Ams terda m with 10 figures and 37 tables
Intr odu ctio n communities from tropiIn a series of two papers epiphytic shade and canopy ibed for the first time, cal mon tane rain forests in the north ern Andes are descr (WEsTHOFF & VAN y iolog using the Braun-Blanquet approach in phytosoc altitudinal transect ranDER MAAREL (1973). The stud y was carried out in an Cent ral Cordillera in the ging from 1000 m to 4130 m on the west slope of N 75° 30 W). A descripColo mbia , near Pereira, capital of Risaralda (ca. 4°50 of sampling used and an tion of the stud y area, the forest climate, the methods forest may be found in account of the communities of Lower Mon tane Rain the first pape r (WoLF 1993). ted in 20 communiA TWI NS PAN analysis (HILL 1979) of 528 releves resul ps. Two additional grou main ties, clust ered into four, altitudinally separated, e in any of the denc confi species poor communities could not be placed with four groups. will be described folIn this pape r the communities from higher altitudes yte communities in the lowed by a summary and a general discussion of epiph altitu dina l trans ect.
Res ults t, 2460 -367 0 m 3. Com mun ities of the Upp er Mon tane Rain fores (Table 1) Upp er Montane Rai? Exclusive taxa for the epiphyte communities of the B. hookeri, Lepicolea prutforest are Adel anth us pittieri, Bazz ania breuteliana, ochila bursata, Riccardia Plagi a, nosa, Lepi dozia spp., Lophocolea trapezoide ntosa. spp., Sema toph yllum insul arum and Trichocolea tome t are clustered into The 264 releves made in the Upp er Mon tane Rain fores es. five tree base communities and five canopy communiti 0340-269X/93/0022-0053 $ 12.75 n· D-70176 Stutt gart © 1993 Gebri ider Borntraeger, D-14129 Berli
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