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A First Survey of the Earthworms of Bosque del Pueblo, Puerto Rico
(Caribbean Journal of Science, Vol. 42, No. 3, 366-370, 2006, 2006-12)
The oligochaeto fauna of Bosque del Pueblo, located in the central mountain region of Puerto Rico, was surveyed for the first time. Organisms were hand-sorted from forty two samples from three typical plant associations ...
A Fluorescent Marking and Re-count Technique Using the Invasive Earthworm, Pontoscolex corethrurus (Annelida: Oligochaeta)
(Caribbean Journal of Science, Vol. 42, No. 3, 371-379, 2006, 2006-12)
We used a fluorescence technique to mark and re-count the invasive earthworm, Pontoscolex corethrurus from PVC tubes established in a forest and a recently abandoned pasture in Puerto Rico to test the effects of the labeling ...
Comparisons of Earthworm Community Structure between an Active Pasture and an Adjacent Tropical Wet Forest in Puerto Rico
(Caribbean Journal of Science, Vol. 42, No. 3, 311-314, 2006, 2006-12)
Earthworm populations have been recognized as indicators of soil fertility and health. To examine the influence of tropical land-use changes on earthworm community structure, we sampled earthworm populations in three plots ...
Preliminary Estimate of Earthworm Abundance and Species Richness in Spathodea campanulata Beauv. Forests in Northern Puerto Rico
(Caribbean Journal of Science, Vol. 42, No. 3, 325-330, 2006, 2006-12)
The alien tree species Spathodea campanulata forms monodominant stands in abandoned agricultural lands in Puerto Rico. In July 2005, we excavated three replicate randomly located soil pits (25 by 25 by 30 cm) in each of ...