y

Aquatic insect diversity and abundance in relation to dissolved oxygen content in streams in the Tilarán mountain range




y

Lichen succession on Cecropia spp. trunks in a lower montane wet secondary forest




y

Macroinvertebrate diversity in Heliconia tortuosa along an elevational gradient




y

Abundance and species richness of seedlings in proximity to forest in windbreaks of Cañitas, Costa Rica




y

Air pollution and light exposure: lichen species richness, abundance, and diversity in San Luis, Costa Rica




y

Müllerian body production by Cecropia obtusifolia (Cecropiaceae) with and without Azteca ants




y

Effects of ecotourism on mammal diversity in the Monteverde cloud forest preserve




y

Subcaste composition in responses to alarm and non-alarm pheromones on foraging trails of leaf-cutter ant Atta cephalotes (Hymenoptera: Formicidae)




y

Spatial distribution of nectar in Lantana camara and visitation by Heliconius butterflies




y

Influence of microhabitat conditions on the abundance of American Leaf Spot Disease (Mycena citricolor) on Coffea arabica




y

The effects of phosphorus, copper, and plant age on mycorrhizal abundance in orchid roots




y

Piper spp. scent as an indicator of larvicidal activity




y

Pit-trap construction decisions by wormlions (Diptera Vermileonidae) effects of substrate moisture and larval density




y

Absence of polarity in trail pheromones and use of sun-compass orientation in leafcutter ants Atta cephalotes




y

Rodent island biogeography within a fragmented tropical montane cloud forest mosaic




y

Vesicular-Arbuscular Mycorrhizae (VAM) spore abundance and soil characteristics along a neotropical premontane forest successional gradient




y

Change in biodiversity in the inflorescence of Xanthosoma robustum (Araceae) during the flowering period




y

Abundance of arbuscular mycorrhizae in epiphytic Orchidaceae : abiotic, biotic and taxonomic factors




y

Anthocyanins and delayed greening : Inhibition of leafcutter ants (Atta cephalotes) in Inga punctata (Mimosaceae) and Zygia palmana (Fabaceae)




y

Arbuscular mycorrhizal fungi vesicles in Coffea arabica (Rubiaceae) : Agroforestry and conventional coffee farms




y

Optimal energy allocation and behavior modification in provisioning Crawfordapis luctuosa




y

Shade coffee farms as conservation tools : A measure of butterfly diversity in coffee agroecosystems in the Monteverde Region of Costa Rica




y

Community composition and chlorophyll levels in lichens as indicators of atmospheric pollution in Monteverde, Costa Rica




y

Analysis of resource allocation trade-offs dictated by deceit pollination strategy in the monoecious understory shrub Begonia cooperi (Begoniaceae)




y

Greater diversity of fungi on Atlantic slope of Costa Rican cloud forest




y

Diversity of macroinvertebrate feeding guilds along a stream order continuum in San Luis Valley, Costa Rica




y

Effect of ground temperature and nest differences on productivity and worker size in Atta cephalotes (Hymenoptera Formicidae)




y

Foraging habits and social learning of white-faced capuchin monkeys (Cebus capucinus)




y

Habitat preference of Leptonema sp. (Trichoptera : Hydropsychidae) on tropical waterfalls




y

Herbivory and alkaloid concentration in Cecropia obtusifolia (Cecropiaceae) trees with and without ants




y

Non-vocal sounds produced by the wings of Inca doves, Columbina inca, and seasonal effects on communication behavior in Costa rican dry-moist lowland forest




y

Polyethism in Eciton burchellii army ants : a look at task specializations of worker castes




y

Responses to prey size in Metabus gravidus (Araneae: Araneidae) provide evidence for optimal foraging




y

Site fidelity and song rate as indicators of territoriality in neotropical cricket (Gryllidae)




y

Sleep site selection in three species of Norops lizards (Squamata Polychrotidae) in the San Luis Valley, Puntarenas, Costa Rica




y

The wag-display of the blue-crowned motmot (Momotus momota) as a predator-deterrent signal




y

Effects of resource partitioning on the behavior and foraging activity of the Coppery headed emerald and the purple throated mountain gem hummingbirds (Trochilidae)




y

Crop size, ripening, and fruit removal in Solanum umbellatum (Solanaceae) by Phyllostomid bats




y

Supernormal stimulus as a mimicry strategy the case for Epidendrum radicans (Orchidaceae)




y

Effect of Cecropia polyphlebia, Cecropia obtusifolia, and Bidens pilosa on human lung capacity




y

Impact of intraspecific and interspecific competition on aggression and foraging of hummingbirds (family Trochilidae)




y

Alteration of crickets songs due to competition via playbacks




y

Leaf choice in Dryas iulia (Nymphalidae Heliconiinae) cyanide content and toughness




y

Duet response songs and territorial defense in the gray-breasted wood wren (Henicorhina leucostica Troglodytidae)




y

The effect of land use on stream water quality in San Luis and Cañitas




y

Effect of the parasite Ophryocystis elektroscirrha on asymmetry and wing color of the monarch butterfly, Danaus plexippus




y

The effects of habitat heterogeneity in the parasocial orb-weaver Metabus gravidus (Araneae : Araneidae)




y

Effects of inbreeding on morphology and reproduction in Morpho peleides (Nymphalidae)




y

Shifts in flowering phenology in response to irregular precipitation and temperature patterns in Monteverde




y

Size-related niche-partitioning of epiphytic orchids in Cloud Forest canopies