Those and other top stories on PennLive Friday morning.
,” isn’t from Dr. Seuss himself but was written and illustrated by two people who’ve worked on Dr. Seuss-related books. Maybe their work will be so good , our hearts will grow.
FILE - HEPACO workers, an environmental and emergency services company, observe a stream in East Palestine, Ohio, on Feb. 9, 2023, as the cleanup continues after the derailment of a Norfolk Southern freight train.
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High school musicals; train attention; fish dinners: Good Morning, PennsylvaniaThose and other top stories on PennLive Thursday morning.
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Long-Term Effects of the Cleaner Fish Labroides dimidiatus on Coral Reef Fish CommunitiesCleaning behaviour is deemed a mutualism, however the benefit of cleaning interactions to client individuals is unknown. Furthermore, mechanisms that may shift fish community structure in the presence of cleaning organisms are unclear. Here we show that on patch reefs (61–285 m2) which had all cleaner wrasse Labroides dimidiatus (Labridae) experimentally removed (1–5 adults reef−1) and which were then maintained cleaner-fish free over 8.5 years, individuals of two site-attached (resident) client damselfishes (Pomacentridae) were smaller compared to those on control reefs. Furthermore, resident fishes were 37% less abundant and 23% less species rich per reef, compared to control reefs. Such changes in site-attached fish may reflect lower fish growth rates and/or survivorship. Additionally, juveniles of visitors (fish likely to move between reefs) were 65% less abundant on removal reefs suggesting cleaners may also affect recruitment. This may, in part, explain the 23% lower abundance and 33% lower species richness of visitor fishes, and 66% lower abundance of visitor herbivores (Acanthuridae) on removal reefs that we also observed. This is the first study to demonstrate a benefit of cleaning behaviour to client individuals, in the form of increased size, and to elucidate potential mechanisms leading to community-wide effects on the fish population. Many of the fish groups affected may also indirectly affect other reef organisms, thus further impacting the reef community. The large-scale effect of the presence of the relatively small and uncommon fish, Labroides dimidiadus, on other fishes is unparalleled on coral reefs.
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Editorial: Community mental health centers save lives. They deserve a raise.Good work deserves good pay.
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Good morning sunshine! How to be a morning personFifty two percent of women and 60% of men reported not being morning people. Studies show that genetics have nothing to do with the time of day we are most alert.
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Pennsylvania governor says his office made a criminal referral in Ohio train derailmentWASHINGTON — Pennsylvania Gov. Josh Shapiro said Tuesday that his office has made a criminal referral in response to the recent train derailment over the border in East Palestine, Ohio, and the aftereffects on the environment and nearby communities.
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