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Dorota Paczesniak
@dorotdesigns.bsky.social
Scientific illustrator, educator, biologist 🇵🇱 in 🇫🇮 Drawing to explain and inspire Commissions open: DM Illustrations portfolio: www.behance.net/dorotdesigns
354 followers438 following72 posts
Reposted by Dorota Paczesniak
DPdorotdesigns.bsky.social

Hi BlueSky - I’m a biologist and scientific illustrator open to commissions of scientific figures, illustrations, infographics, etc. I’ve designed infographics about forest tree breeding, love drawing plants and silly characters for fun, and also made a logo for @pyhatanja.bsky.social 🧪🐡 #SciComm

An infographic illustrating the concept of genetic gain. 
Genetic gain is the change of the average phenotypic value between the parent and offspring populations due to selection.
For a given trait (e.g. tree height), the frequency distribution has a peak around the mean and tails of extreme values.
In the offspring generation, the distribution is shifted to desired direction as a response to selection.
Genetic gain realised in forest reproductive materials is further modified by other factors such as pollen contamination in seed orchards.
A comic style illustration of 4 species of European owls (sizes not to scale). Top left: eagle owl (Bubo bubo); bottom left: tawny owl (Strix aluco); top right: barn owl (Tyto alba); bottom right: snowy owl (Bubo scandiacus)
The logo for Prof. Tanja Pyhäjärvi's research group. They are based at the University of Helsinki and study forest genomics and breeding. 
The logo includes a distribution of fitness effects (a graphic representation of the mutation effects on the organism), a pine cone to symbolize plant reproduction, letters of genetic code (ATCG), and 0/1 numbers to signify numerical methods.
An illustration of black alder (Alnus glutinosa) tree and branch fragment with male and female flowers
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Reposted by Dorota Paczesniak

Earlier this summer, I finally got to see this absolute cinderblock of a book set in person! This is MedStudy's Student Core, the first project I worked on with them. Of the 860+ illustrations, I drew, edited, or directed almost every one 🐡 #medicalillustration

A set of narrow paperback books in a while slipcase, altogether about a foot tall and almost that wide and deep. The spines of the books are colorful and are labeled with the section they cover - cardiology, surgery, etc.
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DPdorotdesigns.bsky.social

Bluesky now has over 10 million users, and I was #625,424!

Bluesky now has over 10 million users, and I was #625,424 (first 10%)
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Reposted by Dorota Paczesniak
BAblueappaloosa.bsky.social
Reposted by Dorota Paczesniak

Hello! I’m Alice and I love trying to create fun, simple, and accurate illustrations of the natural world! I am currently mainly working on kids non-fiction and activity books 🦕✨

Colouring page with lots of different species of cockroach arranged like they are pinned in a museum display from the top going clockwise, the species are giant burrowing roach, velvety bark roach, pale bordered field cockroach, Cuban banana roach, emerald cockroach (male and female showing sexual dimorphism), Madagascar hissing cockroach, domino cockroach, Paratropes metal, Melroidea magnifica (again m and f), and Orin’s zebra roach. At the top is the title “Cockroach chaos!” And the text “Despite being best known as pests, only around 30 of the thousands of species of cockroach regularly interact with humans! Here are some life-sized roaches for you to colour.”
Two art boards in affinity designer showing two pages of a board book. Both pages have a pink background and there’s a translucent blue cloud. On the left hand page is a flying female scaup (mainly brown with yellow eyes and a white patch above her bill and on her wing) and the text “Some ducks fly high in the sky.” On the right hand page is a male scaup (black and white with yellow eyes and a blue grey bill and dark blue feet.)
Black and white pen and ink drawing of a dipper (aquatic passerine bird!) in front of a shield fern front.
Blocky flat colour illustration of the gallinules and rails of the uk, showing a big coot (dark grey with pale blue legs and a white bill with shield) at the back, then a smaller moorhen (slate grey body with brown wings, yellow legs, and a yellow and red bill with shield), then a smaller water rail (blue grey body with red and black-brown bill and spotty brown nape and wings), and finally a similarly sized corn crake (light brown with lots of patterns).
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DPdorotdesigns.bsky.social

Many of my drawings start off as sketches on paper, and are then finished digitally. I’ve done some infographics, book illustrations and scientific figures. I like designing silly and cute characters. I’m open for commissions #SciArt#ArtShare

An infographic explaining the concept of genetic gain in the context of forest tree breeding. Genetic gain is the change of the average phenotypic value between the parent and offspring populations due to selection.
A cartoon style drawing of a snail holding a sword and shield with three little spiky creatures attacking it with their own tiny swords. It was made to illustrate host-parasite interactions - the study system of my PhD dissertation were the New Zealand mud snails Potamopyrgus antipodarum and their trematode parasites
A cartoon portrait of Charles Darwin dreaming about the tree of life
Conceptual figure illustrating differences in seasonal distributions of photosynthetic activity (carbon assimilation) for temperate herbs with differing phenological syndromes (evergreens [purple], spring ephemerals [pink], summer greens [blue]) relative to understory light levels (line). The shape and magnitude of these conceptual photosynthetic activity curves may vary within and among species. For example, summer-green species vary in their relative proportion of early-spring photosynthetic gain that occurs before overstory tree canopy closure. From: Benjamin R. Lee, Abby J. Yancy, and J. Mason Heberling. Phenological Escape and Its Importance for Understory Plant Species in Temperate Forests | International Journal of Plant Sciences: Vol 185, No 4
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DPdorotdesigns.bsky.social

That’s so nice to know! I will make cards again this year so you can exchange for a new design

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DPdorotdesigns.bsky.social

Not sure if it helps with loneliness but please keep sharing stories ❤️

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Reposted by Dorota Paczesniak
FHdrinkmic.bsky.social

Tomorrow is open door day at Eawag and we are doing a community science project, looking at the #biofilm#legionella#drinkingwaterquality. Photo shows diverse biofilms from 12 shower hose 😀 🦠🧫

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Reposted by Dorota Paczesniak
JBjbyoder.org

The Encyclopedia of Evolutionary Biology is releasing a second edition in 2025, and my updated chapter, introducing the Coevolution topic section, is online already! (Reach out for a PDF copy if you don't have a subscription) https://buff.ly/4guqjcY

Screenshot text: Coevolution simply means evolving together, and any pair of species that affect each other’s evolution may be said to coevolve. There are many ways in which interactions between species may cause them to coevolve. The most straightforward and widely cited form of coevolution is also the most restrictive. Strict-sense coevolution is specific, resulting from direct interactions between individuals of two different species; reciprocal, such that the interaction creates natural selection acting on both species; and simultaneous, such that adaptation of one species to interaction with a second species results in adaptation of the second species to the first. Interactions with other species may also create new ecological opportunity... Interactions may create opportunities for reproductive isolation to evolve between populations... The nature and coevolutionary outcomes of many species’ interactions can depend upon the broader environmental context in which they occur.
Screenshot of Fig. 2 from Yoder (2025), captioned: Plant-pollinator interactions affect traits important in plant species delimitation. (A) Animal pollination, by a honeybee (Apis mellifera) visiting milkvetch (Astragalus trichopodus). (B) Wind-pollinated Timothy grass (Phleum pratense) with exserted stamens releasing pollen. (C) Floral traits are more likely to be important in the taxonomic descriptions of plant species when those species are pollinated by animals, rather than wind or water. Photos in (A) and (B) by the author, all rights reserved. Data for (C) from Grant (1949)
Screenshot of Fig. 3 from Yoder (2025), captioned: Diversification driven by species interactions. (A) Populations of an associate species that become locally adapted to their host may have patterns of genetic differentiation (arrows) that mirror genetic differences between host populations. Coevolution between two interacting lineages over evolutionary time may lead them to have congruent phylogenies (B), but this pattern may also occur if one lineage depends strongly on the other without exerting reciprocal selection. Coevolution over ecological timescales may also lead to phylogenies that are congruent in shape but without simultaneous speciation events (C) or largely incongruent (D) if pairwise associations between species shift frequently.
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Dorota Paczesniak
@dorotdesigns.bsky.social
Scientific illustrator, educator, biologist 🇵🇱 in 🇫🇮 Drawing to explain and inspire Commissions open: DM Illustrations portfolio: www.behance.net/dorotdesigns
354 followers438 following72 posts