THE IMPORTANCE OF NUTRIENT PULSES IN TROPICAL FORESTS

被引:189
作者
LODGE, DJ [1 ]
MCDOWELL, WH [1 ]
MCSWINEY, CP [1 ]
机构
[1] UNIV NEW HAMPSHIRE, DEPT NAT RESOURCES, DURHAM, NH 03824 USA
基金
美国国家科学基金会; 美国国家航空航天局;
关键词
D O I
10.1016/0169-5347(94)90060-4
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
Recent research shows that nutrient fluxes are often pulsed in tropical forests, and that pulsed versus gradual inputs have different effects on the fates of nutrients in the ecosystem. Synchrony of nutrient mineralization with plant uptake can lower competition between microbes and plants for limiting nutrients while maintaining tight nutrient cycling, whereas asynchrony can lead to losses of nutrients from the system. Thus, nutrient pulses may play a critical role in maintaining productivity in tropical forests with tight nutrient cycling.
引用
收藏
页码:384 / 387
页数:4
相关论文
共 46 条
[1]  
Anderson J.M., 1987, Symposium of the Society for General Microbiology, V41, P125
[2]  
BEHERA N, 1991, Tropical Ecology, V32, P136
[3]   NITROGEN-FIXATION BY EPIPHYLLS IN A TROPICAL RAIN-FOREST [J].
BENTLEY, BL .
ANNALS OF THE MISSOURI BOTANICAL GARDEN, 1987, 74 (02) :234-241
[4]   MODELING THE FLUSH OF NITROGEN MINERALIZATION CAUSED BY DRYING AND REWETTING SOILS [J].
CABRERA, ML .
SOIL SCIENCE SOCIETY OF AMERICA JOURNAL, 1993, 57 (01) :63-66
[5]   TROPICAL FOREST LITTER DECOMPOSITION UNDER SEASONAL DROUGHT - NUTRIENT RELEASE, FUNGI AND BACTERIA [J].
CORNEJO, FH ;
VARELA, A ;
WRIGHT, SJ .
OIKOS, 1994, 70 (02) :183-190
[6]   NUTRIENT RELEASE FROM EPIPHYTIC BRYOPHYTES IN TROPICAL MONTANE RAIN-FOREST (GUADELOUPE) [J].
COXSON, DS .
CANADIAN JOURNAL OF BOTANY-REVUE CANADIENNE DE BOTANIQUE, 1991, 69 (10) :2122-2129
[7]   PULSE RELEASE OF SUGARS AND POLYOLS FROM CANOPY BRYOPHYTES IN TROPICAL MONTANE RAIN-FOREST (GUADELOUPE, FRENCH WEST-INDIES) [J].
COXSON, DS ;
MCINTYRE, DD ;
VOGEL, HJ .
BIOTROPICA, 1992, 24 (02) :121-133
[8]   NUTRIENT DYNAMICS WITHIN AMAZONIAN FORESTS .2. FINE ROOT-GROWTH, NUTRIENT AVAILABILITY AND LEAF LITTER DECOMPOSITION [J].
CUEVAS, E ;
MEDINA, E .
OECOLOGIA, 1988, 76 (02) :222-235
[9]   ABOVEGROUND AND BELOWGROUND ORGANIC-MATTER STORAGE AND PRODUCTION IN A TROPICAL PINE PLANTATION AND A PAIRED BROADLEAF SECONDARY FOREST [J].
CUEVAS, E ;
BROWN, S ;
LUGO, AE .
PLANT AND SOIL, 1991, 135 (02) :257-268
[10]   PROCESSES REGULATING SOIL EMISSIONS OF NO AND N2O IN A SEASONALLY DRY TROPICAL FOREST [J].
DAVIDSON, EA ;
MATSON, PA ;
VITOUSEK, PM ;
RILEY, R ;
DUNKIN, K ;
GARCIAMENDEZ, G ;
MAASS, JM .
ECOLOGY, 1993, 74 (01) :130-139