DARTMOUTH STUDIES IN TROPICAL ECOLOGY 2007
STUDENT EDITORS: Pamela M. Collins, Tina Harrison, James A. Marlow, Zachary A. Mayer
FACULTY EDITOR: David R. Peart; STAFF EDITOR: Leslie L. Barrow

PARTICIPANTS: David R. Peart, Rebecca E. Irwin, Craig D. Layne, Laura A. Burkle, Susan E. Elliott, Jennifer N. Cech, Allison M. Citro, Pamela M. Collins, Chad S. Gorbatkin, Tina Harrison, Samuel J. Haynor, Sarah C. Isbey, Brigette A. Jones, Sonia Lei, James A. Marlow, Zachary A. Mayer, Mayda H. Nathan, Jennifer R. Post, Ankit Rastogi, Ha Linh Vu

DEPARTMENT OF BIOLOGICAL SCIENCES
DARTMOUTH COLLEGE
HANOVER, NEW HAMPSHIRE

Palo Verde
Monteverde
Cerro de la Muerte
Corcovado
La Selva
Little Cayman

Palo Verde (composite)

Positive feedback between Acacia collinsii and Pseudomyrmex spinicola colonies
Jennifer N. Cech, Sonia Lei, Zachary A. Mayer, Ankit Rastogi, Ha Linh Vu

Nest tree selection by rufous-naped wrens in Palo Verde National Park, Costa Rica
Pamela M. Collins, Chad S. Gorbatkin, Tina Harrison, James A. Marlow, Jennifer R. Post

Applying optimal defense theory to ant-acacia mutualisms
Mayda H. Nathan, Samuel J. Haynor, Allison M. Citro, Brigette A. Jones, Sarah C. Isbey

Environmental effects on nectar production and pollinator interactions with the flowering plant, Ruellia nudiflora
Allison M. Citro, Samuel J. Haynor, Brigette A. Jones, Sonia Lei, Ha Linh Vu

Diel foraging behavior of Dendrocygna autumnalis and Jacana spinosa
Sarah C. Isbey, Jennifer R. Post, Ankit Rastogi, Chad S. Gorbatkin, Mayda H. Nathan

Intraspecific aggression in Jacana spinosa as a function of age class and habitat type
Zachary A. Mayer, Jennifer N. Cech, Pamela M. Collins, Tina Harrison, James A. Marlow

The effect of ant size and trap diameter on Myrmeleon crudelis prey capture success
Jennifer N. Cech, Allison M. Citro, Brigette A. Jones, Jennifer R. Post

An application of the resource availability hypothesis to early and late successional stands at Palo Verde National Park
Tina Harrison, Mayda H. Nathan, Ankit Rastogi, Ha Linh Vu

The colony architecture of Pseudomyrmex spinicola on the ant-plant Acacia collinsii
Sarah C. Isbey, Sonia Lei, Samuel J. Haynor, Chad S. Gorbatkin

Patch dynamics of the black-bellied whistling duck
Zachary A. Mayer, James A. Marlow, Pamela M. Collins

Monteverde (composite)

The maintenance of avian morphospecies richness in human managed microhabitats
Chad S. Gorbatkin, Jennifer R. Post, Jennifer N. Cech, Sonia Lei

Intercommunity patterns of climbers and epiphytes in primary and secondary montane cloud forest at Monteverde, Costa Rica
James A. Marlow

Roosting behavior of the exploding butterfly, Manataria maculate
Mayda H. Nathan, Allison M. Citro, Pamela M. Collins, Tina Harrison, Brigette A. Jones

Hanging with my pHat bro(meliads): The negative effects of increasing acidity on aquatic invertebrate abundance in Guzmania monostachyia (Bromeliaceae)
Ankit Rastogi, Sarah C. Isbey, Ha Linh Vu, Zachary A. Mayer, Samuel J. Haynor

Cerro de la Muerte (composite)

Effects of deforestation and succession on soil at Cerro Cuericí, Costa Rica
Pamela M. Collins, Brigette A. Jones, Mayda H. Nathan

Insect community structure in a species of yellow aster
Tina Harrison, Allison M. Citro

A berry color dimorphism in a new species in the family Ericaceae
Zachary A. Mayer, Samuel J. Haynor

Working towards sustainability: A case study of a tropical montane field station
Jennifer R. Post, Chad S. Gorbatkin, Ankit Rastogi, Sarah C. Isbey

Size-specific and partially inducible delayed greening in Anthurium hoffmanni (Araceae)
Ha Linh Vu, Sonia Lei, James A. Marlow, Jennifer N. Cech

Corcovado  (composite)

Environmental cues driving the diel activities of the terrestrial hermit crab Coenobita compressus
Jennifer N. Cech, Tina Harrison, Brigette Jones, Sonia Lei, James A. Marlow

Diel emigration and foraging behaviors of the army ant, Eciton hamatum (Subfamily Ecitoninae)
Samuel J. Haynor, Chad S. Gorbatkin, Sarah C. Isbey, Zachary A. Mayer

No need for speed: A study of the effects of water velocity on Neritina latissima distribution in a tropical stream
Jennifer R. Post, Ankit Rastogi, Ha Linh Vu

The Ponerine paradox: foraging inefficiencies in the giant tropical ant, Paraponera clavata (Hymenoptera: Formicidae: Ponerinae)
Chad S. Gorbatkin, Sarah C. Isbey, Zachary A. Mayer, Allison M. Citro

Population structure and distribution of Cocos nucifera along a stretch of Pacific Coast, Parque Nacional Corcovado, Costa Rica
Allison M. Citro, Pamela M. Collins, Mayda H. Nathan

La Selva (composite)

Visitation and fruit consumption by birds at a reproductive Ficus pertusa at La Selva Biological Station
Ha Linh Vu, Jennifer R. Post, Jennifer N. Cech

The relationship between leaf litter composition and associated invertebrate diversity in a tropical wet forest
Sonia Lei, Mayda H. Nathan, Tina Harrison

Little Cayman  (composite)

A comparison of herbivory rates on turtlegrass, Thalassia testudinum, at two Caribbean sites
Mayda H. Nathan

Population structure and size distribution of queen conch in Grape Tree Bay, Little Cayman Island
Pamela M. Collins, Tina Harrison

Non-random use of three-dimensional structures by three Caribbean coral reef fishes
Sarah C. Isbey, Chad S. Gorbatkin

Diel patterns in zooplankton assemblages over a Little Cayman Island coral reef
Brigette A. Jones, Sonia Lei, Jennifer N. Cech

Thalassia testudinum density and herbivory as a function of distance from coral heads
James A. Marlow, Jennifer R. Post, Ha Linh Vu

Diel patterns of coral reef fish behavior in Jackson’s Bay, Little Cayman Island
Susan E. Elliott, Laura A. Burkle, Allison M. Citro

Age-specific habitat preference by the queen conch, Strombus gigas, at Little Cayman Island
Pamela M. Collins

Fish communities in continuous and patch mangrove habitats on Little Cayman Island
James A. Marlow, Tina Harrison, Ankit Rastogi, Ha Linh Vu, Jennifer R. Post

Tradeoffs between predator avoidance strategies in two sabellid fan worms
Brigette A. Jones, Allison M. Citro

Reducing the space limitations on juvenile fish in reef systems
Chad S. Gorbatkin, Sarah C. Isbey

The effects of ocean versus land influences on barrier reefs around a Caribbean island
Jennifer N. Cech, Samuel J. Haynor, Zachary A. Mayer, Mayda H. Nathan, Sonia Lei

Diel polyp behaviors and disturbance response in a Caribbean gargonian, Briareum asbestinum
Zachary A. Mayer, Ankit Rastogi, Allison M. Citro, Samuel J. Haynor

The effects of geothermal and anthropogenic phosphorus inputs on tropical macroinvertebrate communities
Ankit Rastogi, Sam Haynor, Brigette Jones, James Marlow, and Pamela Collins

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