caa a22 4500 475751051 CHVBK 20180406123523.0 cr unu---uuuuu 170329e20000801xx s 000 0 eng 10.1023/A:1026531122302 doi (NATIONALLICENCE)springer-10.1023/A:1026531122302 Costs of sporophyte production in the moss, Dicranum polysetum [Elektronische Daten] [Johan Ehrlén, Irène Bisang, Lars Hedenäs] We investigated the cost of sporophyte production in the moss Dicranum polysetum both by examining patterns of growth and reproduction in unmanipulated shoots and by experimentally manipulating sexual reproduction. The estimated proportion of total carbon investment allocated to sexual reproduction in sporophyte-producing shoots over the study period was 74.8%. Unmanipulated shoots that aborted all sporophytes had a significantly higher growth in the top shoots than shoots that produced sporophytes. In sporophyte-producing shoots, total apical growth decreased proportionately with the number of sporophytes. Experimental prevention of sporophyte development resulted in significantly higher total apical growth of the gametophytes. Shoots where current perichaetia were lacking when marked had a mass increase in the top shoots similar to manipulated sporophytic shoots whereas sporophytic control shoots grew significantly less than these two categories. The difference between control shoots and manipulated shoots in the mass of vegetative apical growth was mainly because of different length increments whereas mass per unit length was similar between groups. The probability to reproduce sexually in the year after the manipulation, and the biomass allocated to this reproduction, were not affected by the experimental treatment. Kluwer Academic Publishers, 2000 Bryophyte reproduction nationallicence Cost of reproduction nationallicence Gametophyte growth nationallicence Reproductive effort nationallicence Resource allocation nationallicence Sporophyte abortion nationallicence Sporophyte removal nationallicence Ehrlén Johan Department of Botany, University of Stockholm, S-106 91, Sweden (E-mail aut Bisang Irène Department of Cryptogamic Botany, Swedish Museum of Natural History, Box 50007, S-104 05, Stockholm, Sweden aut Hedenäs Lars Department of Cryptogamic Botany, Swedish Museum of Natural History, Box 50007, S-104 05, Stockholm, Sweden aut Plant Ecology Kluwer Academic Publishers 149/2(2000-08-01), 207-217 1385-0237 149:2<207 2000 149 11258 https://doi.org/10.1023/A:1026531122302 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1023/A:1026531122302 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Ehrlén Johan Department of Botany, University of Stockholm, S-106 91, Sweden (E-mail aut NATIONALLICENCE 700 1- Bisang Irène Department of Cryptogamic Botany, Swedish Museum of Natural History, Box 50007, S-104 05, Stockholm, Sweden aut NATIONALLICENCE 700 1- Hedenäs Lars Department of Cryptogamic Botany, Swedish Museum of Natural History, Box 50007, S-104 05, Stockholm, Sweden aut NATIONALLICENCE 773 0- Plant Ecology Kluwer Academic Publishers 149/2(2000-08-01), 207-217 1385-0237 149:2<207 2000 149 11258 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer