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Research

fieldwork • models • communication

I’m a marine ecologist working on the population dynamics of harvested species and the habitats that support them. My work spans stage-structured modeling of California spiny lobster under Marine Protected Area and slot-limit scenarios, fishery-independent surveys across long-term California monitoring programs, and experimental coral biology. I’m most interested in making monitoring data more useful for stock assessment and spatial management.

Publications ORCID Google Scholar

Research Projects

California spiny lobster modeling — slot limits × MPA coverage (Stier Lab)

Slot Limits and MPAs: California Spiny Lobster (Panulirus interruptus)

Stier Lab, UCSB · Sep 2024 – present

Spatially explicit, female-only stage-structured model across CDFW fishing blocks, asking how many large females the fishery actually lands and whether current assessment methods could detect them. Groundwork for quantifying the ecological value of protecting large individuals.

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Genotyped Porites coral cores in the Mo'orea regeneration experiment

Coral Wound Regeneration: Mo’orea (French Polynesia) Porites

Stier Lab, UCSB · May 2026 – present

Island-wide Porites genotyping survey assigning colonies to mitochondrial lineages, plus a 2×2 factorial experiment testing whether secondary wounding (microwounding) and algae removal reactivate stalled tissue regeneration in corals whose recovery has stalled mid-healing.

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Nicothoid copepod egg predator on cancrid crabs

Nicothoid (Choniosphaera sp.) Copepod Parasite: Cancrid Crabs

Kuris Lab, UCSB · Sep 2021 – Mar 2026

First record of a nicothoid egg predator (Choniosphaera sp.) infesting cancrid crabs anywhere in the Eastern Pacific, combining aquarium rearing of ovigerous hosts with brood stage intensity modeling to estimate its threat to a data poor rock crab fishery. Published in Ecology (2025). PDF

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Natural oil seep at Coal Oil Point, Santa Barbara

Sediment and Seeps: San Pedro Basin and Coal Oil Point (Southern California)

Valentine Lab, UCSB · Jan 2023 – Aug 2025

Two strands on what reaches the floor of the Southern California Bight: sediment coring over the San Pedro Basin DDT disposal site, feeding a published waste inventory in Environmental Science and Technology (2025), and a Coastal Fund project on whether the ocean’s own alkane cycle primes microbes to absorb petroleum. PDF

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Field and Monitoring Programs

Salt marsh monitoring (SONGS)

SONGS: Salt Marsh Mitigation Monitoring

MSI, UCSB · Aug 2025 – Jan 2026

Salt marsh fish and invertebrate monitoring at Carpinteria Salt Marsh Reserve and Point Mugu Lagoon, using seine and trap surveys, species identification to lowest practical taxon, and laboratory processing supporting long term restoration reporting.

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Kelp forest benthic and fish surveys (PISCO)

PISCO: Kelp Forest Monitoring

Caselle Lab, UCSB · Jun – Oct 2024

Standardized underwater benthic and fish visual surveys across Northern Channel Islands marine protected areas for the Partnership for Interdisciplinary Studies of Coastal Oceans, tracking how protected reefs differ from fished ones.

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Hook-and-line fisheries survey with volunteer anglers (CCFRP)

CCFRP: Collaborative Fisheries Research

Caselle Lab, UCSB · 2024

Fishery independent hook and line surveys with volunteer anglers through the California Collaborative Fisheries Research Program, evaluating nearshore fish stocks inside marine protected areas and at paired sites open to fishing.

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Open-Source Analyses

Sardine and predator population trajectories under harvest scenarios

Ecosystem Stability: Sardine Harvest Regimes

Methods and Summary
EDS 230: Environmental Modeling · R · Lotka-Volterra · Sobol · LHS

Pacific sardine and predator dynamics under three harvest rules: proportional harvest, biomass closure threshold, and adaptive management, with a Sobol analysis separating ecological from management drivers.

Repo Live Analysis

IMTA suitability map, U.S. West Coast EEZ

Marine Aquaculture: Integrative Multi-Trophic Aquaculture

Methods and Summary
R · NOAA Coral Reef Watch SST · GEBCO · VLIZ EEZ · FishBase

Mapping candidate integrated multi trophic aquaculture areas across the U.S. West Coast Exclusive Economic Zone from sea surface temperature, bathymetry, and species thermal and depth tolerances.

Repo Live Analysis

Confusion matrix for palmetto species classification model

Palmetto Species: Binary Classification

Methods and Summary
Independent analysis · R · tidymodels · elastic net · 10-fold CV

Binary logistic regression distinguishing two Florida palmetto species from morphology, comparing standard and regularised models on accuracy, ROC AUC, and calibration across ten fold cross validation.

Repo Live Analysis

Total-effect Sobol indices for forest carbon model

Forest Carbon: Parameter Uncertainty

Methods and Summary
EDS 230: Environmental Modeling · R · deSolve · Sobol

Threshold based forest growth as a piecewise ordinary differential equation, with variance based sensitivity analysis identifying which parameters drive maximum carbon stock under uncertainty.

Repo Live Analysis

Animated night-lights imagery of Houston before, during and after the February 2021 freeze

Extreme Houston Winter Storms: Texas Freeze 2021

Methods and Summary
R · VIIRS night-lights · OpenStreetMap · ACS 2019

Detecting blackout extent from night lights imagery and joining tract level census data to quantify socioeconomic disparities in how quickly different Houston neighbourhoods regained power.

Repo Live Analysis

Simulated almond profit distributions across parameter uncertainty

Almond Profit: Informal Sensitivity Analysis and Climate Variation

Methods and Summary
EDS 230: Environmental Modeling · R · informal sensitivity analysis

A published yield transfer function wrapped in a profit model, then tested for parameter uncertainty to identify which assumptions drive the outcome across plausible climate scenarios.

Repo Live Analysis

Outreach and Media

Pacific Manta Research Group — oceanic manta underside for photo-ID

Pacific Manta: Citizen Science Photo ID

Web Designer / Research Intern · Dec 2021 – Jan 2024

Designed the group’s website around a citizen scientist photo identification workflow, and built diver facing guidance on manta etiquette and catalog support for the Revillagigedo oceanic manta population.

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Environmental Media Production Promo ▶

Environmental Media: Climate Program Film

Associate Producer, UCSB · Mar – Apr 2025

Short promotional film for the Blüedot Institute Climate Leadership Program, run with the Bren School. Filmed and directed high school students on location on Santa Cruz Island, then edited the piece.

Watch on Vimeo

Winogradsky Column (video) ▶

Winogradsky Column: Microbial Succession

EEMB 150A: Microbial Diversity, UCSB · 2025

A stop motion video following my Winogradsky column across roughly a year, as sediment microbes sort themselves into colored layers by their oxygen and sulfur requirements.

Open MP4

Publications

ORCID Google Scholar

  • Orli, Jaden E., Sophia M. Lecuona, Gabrielle O. Plewe, Carson N. Gadler, Armand M. Kuris, Danny Tang, and Zoe L. Zilz. 2025. “Discovery of an Unidentified Species of Nicothoid Copepod Infesting Cancrid Crabs in Santa Barbara, California.” Ecology 106(12): e70263. https://doi.org/10.1002/ecy.70263 · Cover Image: https://doi.org/10.1002/ecy.70285 PDF

  • Zilz, Zoe L., Emily Hascall, Athena DiBartolo, Delén Flores, Sophie Cameron, Orli, Jaden E., and Armand M. Kuris. 2026. “A Parasite-inclusive Food Web for the California Rocky Intertidal Zone.” Scientific Data. https://doi.org/10.1038/s41597-026-07259-3 PDF

  • Wu, Mong Sin Christine, Jacob T. Schmidt, Hailie E. Kittner, Earth 182B Group, and David L. Valentine. 2025. “Geospatial and Temporal Inventory for Industrial DDT Waste Disposal to a Deep Coastal Ocean Environment.” Environmental Science and Technology 59: 20578-20587. https://doi.org/10.1021/acs.est.5c03851 · Group Author (Earth 182B Group); the consortium includes Orli, Jaden E. PDF

What I Contributed

A Parasite-inclusive Food Web for the California Rocky Intertidal Zone
Zilz, Zoe L., Hascall, Emily, DiBartolo, Athena, Flores, Delen, Cameron, Sophie M., Orli, Jaden E., Kuris, Armand M.. 2026. Scientific Data.
Author 6 of 7

Rocky intertidal surveys and parasite dissections feeding the food web dataset

fieldworkspecimenslabDOIPDF

Discovery of an Unidentified Species of Nicothoid Copepod Infesting Cancrid Crabs in Santa Barbara, California
Orli, Jaden E., Lecuona, Sophia M., Plewe, Gabrielle O., Gadler, Carson N., Kuris, Armand M., Tang, Danny, Zilz, Zoe L.. 2025. Ecology 106(12): e70263.
First Author

Led the project from field collection through manuscript, and mentored the undergraduate co-authors on it

fieldworkspecimenslabanalysiswritingfiguresDOIPDF

Geospatial and Temporal Inventory for Industrial DDT Waste Disposal to a Deep Coastal Ocean Environment
Wu, Mong Sin Christine, Schmidt, Jacob T., Kittner, Hailie E., Earth 182B Group, Valentine, David L.. 2025. Environmental Science and Technology 59: 20578-20587.
Author, as part of a named group

Named in the Earth 182B Group, which the paper lists as an author. Sailed the March 2023 coring cruise aboard the research vessel Yellowfin that collected sediment from the San Pedro Basin disposal site, and worked through the disposal site material with the cohort in Earth 182B

fieldworkspecimensDOIPDF

Anthropogenic Structuring of Microbial Communities in Deep Coastal Sediment
Kittner, Hailie E.. 2024. Master's thesis, University of California, Santa Barbara.
Acknowledged

Sailed the March 2023 coring cruise aboard the research vessel Yellowfin that collected the deep coastal sediment this thesis is based on

fieldworkspecimensViewPDF

Connected by Tides: Missing Links in California's Coastal Ecotone
Zilz, Zoe Lucille. 2024. Doctoral dissertation, University of California, Santa Barbara.
Acknowledged

Field and laboratory support across several of the ecosystems in this dissertation, over several years

fieldworkspecimenslabViewPDF

One circle per author. A filled circle marks my place in the byline; a dashed ring outside the divider means I am credited in the acknowledgments rather than named as an author.

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