World Aquarium News
Scientists say bolder actions to protect the world's coral reefs will benefit all ecosystems, human livelihoods and improve food security. [...]
Wed, Sep 18, 2019Source Coral Reef News from Science Daily
Abstract
The emerging fungal pathogen, Batrachochytrium salamandrivorans (Bsal), is a significant conservation threat to salamander biodiversity in Europe, although its potential to affect North American species is poorly understood. We tested the susceptibility of two genera (Eurycea and Pseudotriton) and three populations of lungless salamanders (Plethodontidae) to Bsal. All species became infected with Bsal and two (Pseudotriton ruber and Eurycea wilderae) developed chytridiomycosis. We also documented that susceptibility of E. wilderae differed among populations. Regardless of susceptibility, all species reduced feeding when exposed to Bsal at the highest zoospore dose, and P. ruber and one population of E. wilderae used cover [...]
Tue, Sep 17, 2019Source Conservation Letters
Abstract
The emerging fungal pathogen, Batrachochytrium salamandrivorans (Bsal), is a significant conservation threat to salamander biodiversity in Europe, although its potential to affect North American species is poorly understood. We tested the susceptibility of two genera (Eurycea and Pseudotriton) and three populations of lungless salamanders (Plethodontidae) to Bsal. All species became infected with Bsal and two (Pseudotriton ruber and Eurycea wilderae) developed chytridiomycosis. We also documented that susceptibility of E. wilderae differed among populations. Regardless of susceptibility, all species reduced feeding when exposed to Bsal at the highest zoospore dose, and P. ruber and one population of E. wilderae used cover [...]
Tue, Sep 17, 2019Source Conservation Letters
Abstract
Nature conservation efforts often focus on rare species. Common and moderately common species, however, receive much less attention. Our analysis of occupancy change of flora using a grid survey in 1980 and a habitat mapping survey in 2000 in Northeast Germany revealed significant losses for most of the 355 modeled plant species. Highest losses were recorded for moderately common species. Plant species occurring in 20–40% of grid cells declined on average by 50% in 20 years, although there were some methodological uncertainties. We found no correlation between occupancy decline and Red List category, but habitat loss seems to be a [...]
Tue, Sep 17, 2019Source Conservation Letters
Abstract
Nature conservation efforts often focus on rare species. Common and moderately common species, however, receive much less attention. Our analysis of occupancy change of flora using a grid survey in 1980 and a habitat mapping survey in 2000 in Northeast Germany revealed significant losses for most of the 355 modeled plant species. Highest losses were recorded for moderately common species. Plant species occurring in 20–40% of grid cells declined on average by 50% in 20 years, although there were some methodological uncertainties. We found no correlation between occupancy decline and Red List category, but habitat loss seems to be a [...]
Tue, Sep 17, 2019Source Conservation Letters
When it comes to feeding, corals have a few tricks up their sleeve. Most of their nutrients come from microscopic algae living inside of them, but if those algae aren't creating enough sustenance, corals can use their tentacles to grab and eat tiny prey swimming nearby. [...]
Tue, Sep 17, 2019Source Coral Reef News from Science Daily
Scientists discover coral pass beneficial algal symbionts to offspring to help them cope with rising ocean temperatures. The process occurs during reproduction sans nuclear DNA. It's the first time this has been observed. [...]
Mon, Sep 16, 2019Source Coral Reef News from Science Daily
Synchronized coral spawning has become erratic, endangering the long-term survival of coral species, researchers say. [...]
Thu, Sep 05, 2019Source Coral Reef News from Science Daily
New, lower-cost help may soon be on the way to help manage one of the biggest threats facing the Great Barrier Reef. [...]
Tue, Sep 03, 2019Source Coral Reef News from Science Daily
The first documented discovery of 'extreme corals' in mangrove lagoons around Australia's Great Barrier Reef is yielding important information about how corals deal with environmental stress, scientists say. Thirty four species of coral were found to be regularly exposed to extreme low pH, low oxygen and highly variable temperature conditions making two mangrove lagoons on the Woody Isles and Howick Island potential 'hot-spots' of coral resilience. [...]
Thu, Aug 29, 2019Source Coral Reef News from Science Daily
New research compares the growth rates between nearshore and offshore corals in the Belize Mesoamerican Barrier Reef System, the world's second-largest reef system. While nearshore corals have historically grown faster than those offshore, over the past decade there was a decline in the growth rates of two types of nearshore corals, while offshore coral growth rates in the same reef system stayed the same. [...]
Wed, Aug 28, 2019Source Coral Reef News from Science Daily
Abstract
The Cerrado biome is Brazil's breadbasket and a major provider of ecosystem services, though these dual roles are increasingly at odds, in part because there are few mechanisms to protect remaining vegetation from large‐scale agricultural expansion. We assessed Cerrado conversion to soy using over 580,000 property boundaries, covering 77% of the biome that is eligible for commercial land use, and using microwatersheds, to cover 100% of eligible areas. Soy expansion accounted for 22% of conversion during 2003–14. Only 15% of clearing exceeded restrictions on private properties under the Forest Code (FC). However, 51% of soy farms have violated the FC, [...]
Tue, Aug 27, 2019Source Conservation Letters
Abstract
Open access is often contentious in the scientific community, but its implications for conservation are under‐discussed or omitted entirely from scientific discourse. Access to literature is a key factor impeding implementation of conservation research, and many open access models and concepts that are little‐known by most conservation researchers may facilitate implementation. Conservation professionals working outside academic institutions should have more access to research so that conservation is better supported by current science. In this perspective, I present elements missing from current discussions of open access and suggest potential pathways for journal publishers and researchers to make conservation publications more open. [...]
Mon, Aug 26, 2019Source Conservation Letters
Abstract
Conservation scientists rarely have the information required to understand changes in abundance over more than a few decades, even for important species like Pacific salmon. Such lack of historical information can underestimate the magnitude of decline for depressed populations. We applied genetic tools to a unique collection of 100‐year‐old salmon scales to reveal declines of 56%–99% in wild sockeye populations across Canada's second largest salmon watershed, the Skeena River. These analyses reveal century‐long declines that are much greater than those based on modern era abundance data, which suggested that only 7 of 13 populations declined over the last five decades. [...]
Tue, Aug 20, 2019Source Conservation Letters
Researchers are setting out to find answers to disappearance of famed pilot Amelia Earhart. An autonomous surface vehicle (ASV), or robot, can explore the seafloor in waters that may be too deep for divers. [...]
Wed, Aug 14, 2019Source Coral Reef News from Science Daily
BrainAnn says:
Message39marc says:
thanks, Matt! i hope this becomes a product ora will regularly stock.Jose says:
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Wonderful article I really enjoyed the path as well as the conclusion. Thank you! Tom - SF, CAJeff Johnston says:
Aquarium automation for EVERYONE! :-)John van Rompu says:
Don't agree with Andrea, how do you explain naturally occurring hybrids that appear on an on-going basis all the time. without this occurrence we would not have adaptation to changing elements - environments etc.