Sentences with phrase «by lianas»

Habitat fragmentation and biomass reduction on isolated forest islands at the Balbina dam — with trees replaced by lianas — resulted in increased carbon emissions.

Not exact matches

The lianas monopolize resources like carbon dioxide — which is rising by 0.5 percent per year globally — eventually covering some trees and pulling them down.

The advantage was persistent: five years after lianas had been removed, the number of canopy trees with fruits was 150 percent higher, the number of tree species with fruits was 109 higher and fruiting trees had 31 percent more of their canopy covered by fruits.

By contrast, liana removal increased reproduction in palms and understory plants only slightly.

Dr Marshall said the problem had been caused by commercial logging, which allowed the lianas to flourish.

«In tropical rain forests, the seeds of 80 to 90 percent of trees and lianas are dispersed by animals.

Turn the letter - writing event into a botany lesson by explaining to students that there are 18 species of holly and that this plant can be deciduous or evergreen and grow into trees, shrubs, or lianas.

They are also typically surrounded by disturbance responsive species, such as bamboos, ferns and lianas.

That particular experiment was carried out by Stefan Schnitzer, of Marquette University, as part of a major liana ecology research project.

But even so, «we were still expecting to see some effects associated with isolation within a water matrix because, for example, liana seed dispersal across water may have been affected by the severe reduction in vertebrate dispersers seen across the archipelago,» said Jones.

«We were surprised that [they] appeared to be remarkably robust to the negative impacts of landscape - scale habitat fragmentation caused by reservoir creation,» she noted, «and saw no difference in the liana communities on islands compared to the mainland.»