. Bonner zoologische Monographien. Zoology. BONNER ZOOLOGISCHE MONOGRAPHIEN Nr. 56/2011 78°45'30" 78"45' 78°44'30". FIG. 52. Threatened birds and forest management in Playa de Oro. Location of transects LT9 and LT10 in the Forestry Management Plan I area and observations made of three globally threatened species (cf. Fig. lb). Note: In comparison with Fig. in Jahn (2001), there are two additional records for Penelope ortoni, which were based on recently identified tape recordings made during the MTW surveys. transects, had a very high conservation value. Never- theless, the
. Bonner zoologische Monographien. Zoology. BONNER ZOOLOGISCHE MONOGRAPHIEN Nr. 56/2011 78°45'30" 78"45' 78°44'30". FIG. 52. Threatened birds and forest management in Playa de Oro. Location of transects LT9 and LT10 in the Forestry Management Plan I area and observations made of three globally threatened species (cf. Fig. lb). Note: In comparison with Fig. in Jahn (2001), there are two additional records for Penelope ortoni, which were based on recently identified tape recordings made during the MTW surveys. transects, had a very high conservation value. Never- theless, the Forestry Management Plan I area (LT9 and LT 10) was clearly of critical importance for the populations of at least two globally threatened spe- cies, Am ambiguus and Cephalopterus penduliger. Fur- thermore, it must be assumed that the importance of MNT1 for at-risk species was genuinely low, while it should not be deduced that MNT2 really had a higher conservation value than any of the transects LT1 to LT7 or LT8b. For example, the apparent low conservation value of LT6 was probably due to the fact that this transect was exclusively surveyed during the first three months of the MTW study, when my observer experience was still relatively poor. Discussion How transect mapping improved conservation efforts Data on threatened birds changed the land-use planning in Playa de Oro At the time when I started the transect-mapping study, the local people, with technical support from the SUBIR Project, had already established the For- estry Management Plan I area. A forest inventory had been carried out and governmental authorities had already approved the corresponding management plan (Palacios et al 1996). During the study period, first timber exploitation trials were carried out along transect LT9. Consequently, my findings on the im- portance of the management area for globally threat- ened birds (Table 53; Fig. 52) came at a truly unsuit- able moment. Although a bird inventory was c
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