Titlebook: Verhandlungen der Gesellschaft für Ökologie Erlangen 1974; Paul Müller Book 1975 Springer Science+Business Media Dordrecht 1975 Anpassung.

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,Zur Populationsdynamik und Ökologie des Ortolans (Aves: Emberiza Hortulana),levant literature show an exponential population decrease of E.h. of 73% since 1953. The existence of nearly 142 breeding pairs today is confined almost exclusively to the Regnitz-Aisch-Main area of northern Bavaria where a relatively favourable climate is to be found..The inquiries made of the tota

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,Indikatorwert Unterschiedlicher Biotischer Diversität im Verdichtungsraum von Saarbrücken,oncerning the ‘load’ of a habitat. Numbers of species and individual quantities can be linked with the diversity using the following relation derived from information theory:.In examples from terrestrial and limnic ecological systems of the Saar-Moselle region it is found that:

Dorsal-Kyphosis

,Der Eiweiß- und Energiebedarf des Rehes (C. Capreolus L.), Diskutiert Anhand von Laborversuchen,oe bucks in metabolism cages were performed to determine nutritional requirements of roe deer. The N requirements for maintenance were 85 mg of apparently digestible N/kg body weight ././day. When N losses in the faeces equalled the intake (apparently digestible N = O), we measured a nitrogen excret

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,Der Einfluss des Wasserzustandes und des Ph-Wertes Auf die SO2-Schädigung von Flechten,potential is lowered the SO. uptake is reduced and with it the injury. Dried thalli survive high SO. concentrations in their surroundings without damage. The damage caused to the lichens by the Na. S. O. solutions and the treatment with buffer solutions and subsequent SO. fumigation is dependent upo

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,Über die SO2-Resistenz von Flechten und die mit Ihr Interferierenden Faktoren,istant species is Lecanora conizae-oides which penetrates deepest into the cities. The sequence of the species arranged according to increasing ‘poleophoby’ in the cities often differs considerably from that arranged according to increasing sensitivity to SO. found in the SO. gas-exposure experiment