DARTMOUTH STUDIES IN TROPICAL ECOLOGY 2008
FACULTY EDITOR: David R. Peart; STAFF EDITOR: Leslie L. Barrow

PARTICIPANTS: David R. Peart, Matthew P. Ayres, Jeffrey R. Garnas, Stephen J. Taerum, Elizabeth M. Wolkovich, Tiffany D. Chang, Lia M. Cheek, Yiran Gu, Samantha R. Kaplan, Brian M. Lappas, Thomas J. Lobben, Eleanor B. R. Pascall, Alanna H. Purdy, Alex C. Spinoso, Jenna M. Sullivan, Dylan D. Thomas, Ian G. Wheat, Robert H. Yanker III

DEPARTMENT OF BIOLOGICAL SCIENCES
DARTMOUTH COLLEGE
HANOVER, NEW HAMPSHIRE

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

Palo Verde (composite)

Defensive response of mutualistic ants to simulated mammalian herbivory on Acacia collinsii and A. cornigera
Thomas J. Lobben, Dylan D. Thomas, Jenna M. Sullivan, and Tiffany D. Chang

Testing manipulation of host tree geometry by two acacia ant species, Pseudomyrmex flavicornis and P. spinicola, in northwestern Costa Rica
Alex C. Spinoso, Robert H. Yanker III, Eleanor B.R. Pascall, Samantha R. Kaplan, and Yiran Gu

Local and systemic defenses of Acacia collinsii by Pseudomyrmex spinicola colonies
Lia M. Cheek , Ian G. Wheat, Brian M. Lappas, and Alanna H. Purdy

Crush those cattails! Associations between avian feeding guilds and habitats on a Costa Rican marsh
Thomas J. Lobben, Eleanor B.R. Pascall, Yiran Gu, and Dylan D. Thomas

Retention and morphology of leaves over an environmental gradient at Palo Verde, Costa Rica
Samantha R. Kaplan, Alanna H. Purdy, Brian M. Lappas, Robert H. Yanker III, and Alex C. Spinoso

Effects of cattle on fine root density and soil respiration
Jenna M. Sullivan, Lia M. Cheek, Tiffany D. Chang, and Ian G. Wheat,

Murder by numbers: The efficiency of army ant castes
Yiran Gu, Thomas J. Lobben, Tiffany D. Chang, and Lia M. Cheek

Ducks decoded: group behavioral dynamics in Palo Verde, Costa Rica
Eleanor B.R. Pascall, Brian M. Lappas, Alanna H. Purdy, and Dylan D. Thomas

Foraging and scanning behaviors in male and female mantled howler monkeys (Alouatta palliata)
Samantha R. Kaplan, Alex C. Spinoso, Jenna M. Sullivan, Robert H. Yanker III, and Ian G. Wheat

Monteverde (composite)

Effects of soil organic layer depth and light availability on individual size of the bamboo Chusquea sp. in a Neotropical cloud forest
Samantha R. Kaplan, Thomas J. Lobben, and Tiffany D. Chang

Morphological variation of epiphytic bromeliads with height above ground
Robert H. Yanker III, Alanna H. Purdy, Brian M. Lappas, and Alex C. Spinoso

Effects of alternative coffee growth methods on arthropod diversity and the incidence of leaf fungal infections
Jenna M. Sullivan and Lia M. Cheek

Delayed greening and the effect of light availability on chlorophyll density in Diplazium urticifolium
Ian G. Wheat and Dylan D. Thomas

Flourishing flowers and picky pollinators in the gaps of a cloud forest at Monteverde, Costa Rica
Yiran Gu and Eleanor B.R. Pascall

Cerro de la Muerte (composite)

Tracking dissolved oxygen level through an organic rainbow trout farm at Cuericí, Costa Rica
Robert H. Yanker III, Tiffany D. Chang, Yiran Gu, and Brian M. Lappas

Group foraging activities of large-footed finches
Eleanor B.R. Pascall, Jenna M. Sullivan, Alex C. Spinoso, and Lia M. Cheek

Tossing Passalids: Effects of subgroup transplantation and disturbance on social interactions
Alanna H. Purdy, Thomas J. Lobben, Ian G. Wheat, and Samantha R. Kaplan

The tradeoffs of tilting: an analysis of non-vertical growth in a montane tropical forest
Dylan D. Thomas

Corcovado  (composite)

Foraging behaviors in fish-eating bats (Noctilio leporinus)
Alex C. Spinoso, Samantha R. Kaplan , Lia M. Cheek, Tiffany D. Chang, Jenna M. Sullivan, and Jeffrey R. Garnas

Sun, salt and sand: How the coast affects forest structure
Ian G. Wheat and Eleanor B.R. Pascall

What’s in a fig? The interactions between figs, fig wasps, and fig wasp parasitoids
Yiran Gu

Leaf orientation in heliotropic Calathea (Marantaceae)
Brian M. Lappas, Robert H. Yanker III, and Thomas J. Lobben

Going beyond the exploitation ecosystem hypothesis for algae in Río Claro
Alanna H. Purdy and Dylan D. Thomas

La Selva (composite)

Leaf-cutter ants (Atta cephalotes) are similarly abundant in primary and secondary forest
Stephen J. Taerum

Multiple navigation strategies in the bullet ant Paraponera clavata
Brian M. Lappas, Alanna H. Purdy, Dylan D. Thomas, Thomas J. Lobben, and Robert H. Yanker III

Relation of calling quality in male Dendrobates pumilio to territory quality
Lia M. Cheek

A danger in density: the effects of host distribution on leaf epiphyte abundance
Ian G. Wheat

Bullet proof: Ecological stoichiometry and the diurnal forging preferences of bullet ants (Paraponera clavata)
Alex C. Spinoso

Two can play this game: a study of toucan dominance in the frugivorous bird community at La Selva, Costa Rica
Tiffany D. Chang, Jenna M. Sullivan, Samantha R. Kaplan, Eleanor B.R. Pascall, and Yiran Gu

Little Cayman  (composite)

Temporal associations of coral and zooplankton activity on a Caribbean reef
Tiffany D. Chang and Jenna M. Sullivan

Effects of high winds on a coral reef fish community on Little Cayman Island
Robert H. Yanker III, Eleanor B.R. Pascall, and Brian M. Lappas

Coral and algal communities in Grape Tree Bay: A baseline study
Dylan D. Thomas, Ian G. Wheat, Alex C. Spinoso, and Samantha R. Kaplan

Coral patches on a back reef do not conform to diversity-distance predictions of island biogeography theory
Thomas J. Lobben and Lia M. Cheek

With a little help from my friends: benefits of schooling in ocean surgeonfish
Yiran Gu and Alanna H. Purdy

Initial recruitment of coral reef fish to small-scale artificial, complex structures
Alanna H. Purdy and Alex C. Spinoso

Sharknose goby and Pederson shrimp provide distinct cleaning services to client fish
Brian M. Lappas, Samantha R. Kaplan, Jenna M. Sullivan, and Thomas J. Lobben

Distribution and polyp behavior of three phenotypes of Montastrea across two microhabitats
Tiffany D. Chang and Ian G. Wheat

Time budgets for Nassau Grouper (Epinephelus striatus) on Little Cayman Island
Robert H. Yanker III

To fish or not to fish: Science, policy, public opinion, and the management of Nassau Grouper
Lia M. Cheek and Yiran Gu

Host preference of Flamingo Tongues, Cyphoma gibbosum, among two gorgonians on Little Cayman Island
Eleanor B.R. Pascall

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