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23. Illustration of an abridged evolutionary history of fishes
Origin, evolution, and systematics of fishes. A – Origin hypothesis. Early during chordate evolution, sessile arm feeders (pterobranchs) gave rise to gill feeders. In one line, free-swimming filter-feeding larvae lost their sessile stage and evolved into the first, gill-feeding vertebrates (redrawn after Romer and Parsons 1977). B – Evolution and relative abundance of major fish lines through time. Most of today’s fish groups originated in the Devonian; ray-finned fishes became the dominant fish group during the Meso- and Cenozoic (numbers refer to million year ago, Mya). C – Abridged overview of Actinopterygii systematics showing select major orders (-formes) and Perciform families (-idae) sorted top to bottom from ancestral to most derived groups. Most fishes are Teleosts, and within those, most belong to the Euteleosts. Acanthopterygii evolved fin spines; the most species-rich vertebrate order are the Perciformes (after Moyle and Cech 2004).
22. Logo of the Automated Larval Fish Rearing System (ALFiRiS)
21. Otolith-based sex-specific reconstruction of silverside hatch dates
20. Design sketch for Atlantic sturgeon outreach signage (CTSG grant)
19. Commemoration plaque for Frank Bohlen Seminar
18. Conference Banner designs for the Department of Marine Sciences
17. Robust quantification of fish early life CO
2 sensitivities via serial experimentation
This figure shows the summary of early life responses to high CO2 conditions in Atlantic silversides across all experiments conducted between 2012-2017. Effect size was estimated using the log-transformed response ratio (A-D). Error bars are 95% confidence intervals. The responses are considered significant if the confidence interval does not include zero. Panels E-F: seasonal decomposition of response ratios, showing that silverside early life stages are most sensitive to high CO2 at the beginning and end of their spawning season.
This graph plots the difference in M. menidia embryo survival between high and control CO 2 treatments for 20 published experiments against the degrees of freedom (a measure of replication), overlaying a probability surface derived from a t-distribution. It shows that serial experimentation can detect CO 2 effects that would individually be considered non-significant
Baumann, H., Cross, E.L., and Murray, C.S.
. Robust quantification of fish early life CO 2 sensitivities via serial experimentation 14:20180408 Biology Letters
16. Always look on the silverside of life – Lab T-Shirts
15. Ocean variability and Stage Duration hypothesis: a genesis
Illustration of the hypothesis that the general sensitivity of marine organisms to ocean acidification depends on contemporary CO 2 variability in a species habitat and its rate of development, particularly throughout the most vulnerable early life stages. ( A) Early sketches wrestling with single vs. multiple panel layouts ( B) Single panel concept to depict the attenuation of CO 2 variability from near- to offshore ( C) finished illustration
12. Friends of Marine Sciences – logo and outreach slide
11. Multistressor title art (
10. Seasonal covariation of pH and dissolved oxygen in a temperate tidal salt marsh (aka “The turkeys”)
Scientific graphs often get used for different purposes. In a publication (left side), the focus is on clarity, simplicity, and the use of colors is often constrained. But when the same data are used in a presentation, for example at a conference, the graphs are best reworked and adapted so that they capture the audience attention. Here, the use of the background sets the stage for the particular habitat the study is talking about, whereas the graphs are combined, colored and annotated. In a presentation, nobody can read a figure caption!
9. Mumford Cove biweekly beach seine survey and environmental monitoring (2015-2018)
This graph compiles our lab’s heroic multi-year effort of collecting and measuring Altantic silversides (Menidia menidia) in Mumford Cove, where we also maintain a continuous monitoring station to record temperature, oxygen and pH. Any single survey is fun, but may not tell much, but in combination, this allows tracing cohorts from their birth, juvenile phase, to the mature spawners.
2 sensitivity of fish embryos and larvae from different mothers (aka “The dancing men”)
This graph shows the different responses of Atlantic silverside ( Menidia menidia) offspring obtained from different mothers to high CO 2. (A) embryo and larval survival; (B) overall survival; (C) SL at hatch; and (D) final SL (16 dph). Ambient and high CO2 treatments are denoted by red and blue colors, respectively. Small symbols depict replicate survival (A,B) or replicate average size (C,D), while large symbols depict CO 2 treatment averages for each female. Black lines connect average response for each female (letters A to E). Modified from Snyder et al. JEMBE 2018
7. Depicting interannual trends in temperature, pH, and dissolved oxygen in 16 nearshore estuaries
6. Graphical recording of Hannes’ talk at Columbia University by Tracey Berglund
Graphical recording of H. Baumann’s keynote lecture “Combined effects of ocean acidification and its co- stressors on marine organisms” (Artist: Tracey Berglund, tra4art.com)
5. Outreach material for the Mumford Cove Association
4. Climate change effects on zooplankton and its potential for mismatches with higher trophic levels – a genesis
The result of an initial brainstorming session on the whiteboard
Scribbling early concepts in a notebook. Drawing is still the best way of developing a visual idea.
The illustration visualizes direct and indirect effects of climate change on zooplankton, which potentially shift in phenology, behavior etc. This in turn results in a number of potential mismatches with fish, particularly the early life stages that most rely on the timely occurrence of the right kind of zooplankton (April 2015).
3. Illustration of the structure of a research proposal
It is often a great idea to give reviewers of a research proposal a quick, visual idea of the main parts and overall objectives of the proposed research (Oct 2015)
2. Ocean acidification: challenges on each level of organization – a genesis
1. Ocean acidification effects on externally vs. internally calcifying organisms
This unfinished concept illustrates different research aspects that are investigated for externally vs. internally calcifying marine organisms