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Highlight IDTitleStrategic Program Area(s)YearStation
Photo of Trimmed and intact plots in El Yunque National Forest. Forest Service
ID: 196
A Canopy Trimming Experiment in Puerto Rico: the response of litter invertebrate communities to canopy loss and debris deposition in a tropical forest subject to hurricanes

Insects and other invertebrates in leaf litter are important components in decomposition, nutrient cycling, and food webs. As part of larger stu ...

Principal Investigator : Grizelle Gonzalez

Water, Air, and Soil
Inventory and Monitoring
2010IITF
Photo of Block and plot structure in El Verde research area.  Inferred area covered by each block is 40,000 m2 and the complete study area covers around 106 m2.  Forest Service
ID: 16
Assessing Litterfall Trap Bias

Are traps preferentially representing certain kinds of leaf litter

Principal Investigator : Grizelle Gonzalez

Resource Management and Use
Water, Air, and Soil
Inventory and Monitoring
2012IITF
Photo of Book cover
ID: 458
Ecological Gradient Analyses in Tropical Ecosystems

Forest Service scientists recently published a book that contains a comprehensive analysis of ecological gradients in the Luquillo Mountains of ...

Principal Investigator : Grizelle Gonzalez

Inventory and Monitoring
Water, Air, and Soil
Resource Management and Use
2013IITF
Photo of Regional groupings of tropical montane cloud forest and associated lower and upper altitudinal limits of the cloud belt (modified after Scatena 2010). U.S. Department of Agriculture Forest Service.
ID: 1158
Geographic, Environmental, and Biotic Sources of Variation in the Nutrient Relations of Tropical Montane Forests

Incorporating other geographic, environmental and biotic variables in tropical montane forests biogeochemistry, might give scientists a more acc ...

Principal Investigator : Grizelle Gonzalez

Inventory and Monitoring
Resource Management and Use
Water, Air, and Soil
2016IITF
Photo of The arctic field ecology youth-elder-science camp observing microscopic soil invertebrates. Forest Service
ID: 325
Integrating Research, Education, and Traditional Knowledge in Ecology

Integrating research and education is a fundamental goal of research institutions and agencies but specific approaches not widely published in e ...

Principal Investigator : Grizelle Gonzalez

Resource Management and Use
Water, Air, and Soil
Inventory and Monitoring
2011IITF
Photo of Figure 1. (A) The study sites were located in the Luquillo Experimental Forest in northeastern Puerto Rico; (B) Logs of two species and two stages of decomposition were selected (20 logs total) and paired soil and core samples were collected and; (C) PRS-probes (Plant Root Simulator) (ion exchange membranes) were collected from underneath and 50 cm away from the logs. U.S. Department of Agriculture Forest Service.
ID: 1152
Physical, Chemical, and Biological Properties of Soil Under Decaying Wood in a Tropical Wet Forest in Puerto Rico

Decaying wood is related to nutrient cycling through its role as either a sink or source of nutrients; however, at micro scales, what is the eff ...

Principal Investigator : Grizelle Gonzalez

Inventory and Monitoring
Resource Management and Use
Water, Air, and Soil
2016IITF
Photo of A simulated forest canopy opening in the Luquillo Experimental Forest to mimic hurricane disturbance and investigate changes in microclimate, biota, and ecosystem processes. Aaron B. Shiels, National Wildlife Research Center; USDA Animal and Plant Health Inspection Service
ID: 800
Post-hurricane Canopy Openings Influence Ecosystem Processes in a Tropical Rainforest

Forest Service researchers collaborated with external scientists to examine the effects of hurricane disturbance on tropical forest ecosystems. ...

Principal Investigator : Grizelle Gonzalez

Resource Management and Use
Inventory and Monitoring
Invasive Species
Water, Air, and Soil
Wildland Fire and Fuels
2015IITF
Photo of Forest floor litter and duff measurements for eight forest types along elevation gradient in northeastern Puerto Rico. Asterisks indicate significant difference between litter and duff biomass within forest type. Grizelle Gonz´┐Żlez, USDA Forest Service
ID: 457
Scientists Characterize Woody Debris to Assess Fuel Loads in Northeastern Puerto Rico

Forest Service scientists characterized the amounts of woody debris (coarse woody debris, fine woody debris, duff, and litter) for eight differe ...

Principal Investigator : Grizelle Gonzalez

Inventory and Monitoring
Water, Air, and Soil
Wildland Fire and Fuels
2013IITF
Photo of Millipedes used in the microcosms were all from the Order Stemmiulida, Family Stemmiulidae. Forest Service
ID: 19
The Role of Millipedes in Tropical Ecosystems

The direct and indirect effects on litter of varying lignin content

Principal Investigator : Grizelle Gonzalez

Water, Air, and Soil2012IITF