Landon Falke

Landon Falke
Colorado State University | CSU · Department of Fish, Wildlife and Conservation Biology

Master of Science

About

10
Publications
1,468
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55
Citations
Introduction
Currently leading studies looking at variation in trematode parasite community structure at large (watershed) and small (stream reach) spatial scales.

Publications

Publications (10)
Article
• Populations of stream organisms often show large heterogeneity in space, which can substantially influence community dynamics and ecosystem functioning. However, few studies have examined spatial heterogeneity of parasites in lotic ecosystems, especially at fine spatial scales (e.g., within stream reaches). • We quantified parasite infections in...
Article
Full-text available
In lotic ecosystems, the River Continuum Concept (RCC) provides a framework for understanding changes in environmental factors and free‐living communities, yet how parasite populations shift along river continua remains less clear. We quantified infections by a pathogenic trematode parasite (Nanophyetus salmincola) in >14,000 host snails across 130...
Article
Full-text available
1) Although parasites are increasingly recognized for their ecosystem roles, it is often assumed that free‐living organisms dominate animal biomass in most ecosystems and therefore provide the primary pathways for energy transfer. 2) To examine the contributions of parasites to ecosystem energetics in freshwater streams, we quantified the standing...
Article
Full-text available
Species interactions in food webs are usually recognized as dynamic, varying across species, space and time due to biotic and abiotic drivers. Yet food webs also show emergent properties that appear consistent, such as a skewed frequency distribution of interaction strengths (many weak, few strong). Reconciling these two properties requires an unde...
Preprint
Full-text available
Intraspecific variation is increasingly recognized as an important factor in ecological interactions, sometimes exceeding the role of interspecific variation. Few studies, however, have examined how intra- versus interspecific variation affect trophic interactions over time within a seasonally dynamic food web. We collected stomach contents from 2,...
Preprint
Full-text available
Species interactions in food webs are usually recognized as dynamic, varying across species, space and time due to biotic and abiotic drivers. Yet food webs also show emergent properties that appear consistent, such as a skewed frequency distribution of interaction strengths (many weak, few strong). Reconciling these two properties requires an unde...
Preprint
Full-text available
Describing the mechanisms that drive variation in species interaction strengths is central to understanding, predicting, and managing community dynamics. Multiple factors have been linked to trophic interaction strength variation, including species densities, species traits, and abiotic factors. Yet most empirical tests of the relative roles of mul...
Article
Full-text available
Estimates of predator feeding rates are important for understanding trophic dynamics. One common method for quantifying feeding rates in fishes combine mass-based diet data with gastric evacuation times to estimate prey mass consumed per predator. An alternative approach is to estimate rates of prey individuals consumed using prey identification ti...

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