Trend in the evolution of invasive jellyfish distribution
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has output: C_tagi_
has output: D_dalmatinum_
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script: setwd("/Users/francescodeleo/Desktop/rastafile") require(quantreg) require(splines) require(raster) require(maps) require(Rserve) invasive<-read.csv(file.choose("invasive"),header=TRUE,dec=",",sep=";",quote="\"") names(invasive) str(invasive) sp<-unique(invasive$species) for(k in 1:length(sp)){ png(paste(sp[k],'.png'),height=1000,width=750) par(cex=3,mfrow=c(3,3),lwd=2,mar=c(4,5,4,6)) pel_data<-invasive[invasive$species==sp[k],] pel_data$year<-as.numeric(pel_data$year) coordinates(pel_data)<-c('x.long','y.lat') m<-c(2009,2010,2011,2012,2013,2014,2015) for(i in 1:length(m)){ if(TRUE%in%(pel_data$year<=m[i]&pel_data$year<=m[i])){ pel_dataz<-pel_data[pel_data$year<=m[i]&pel_data$year<=m[i],] rasta<-raster(ext=extent(pel_data)*1.1,res=.33) rasta_fari<-rasterize(pel_dataz,rasta,field='species',fun="count",zlim=c(0,2)) } else rasta_fari<-raster(ext=extent(pel_data)*1.1,res=.33,vals=0) plot(log10(rasta_fari),main=paste('Year',m[i]), col=rev(heat.colors(20)),cex.main=2,xaxt='n',yaxt='n',legend.mar=10,legend.shrink =.95,legend.width=1.5, legend.args=list(text='log10(Number of blooms)',cex=.75,side=4,font=2,line=3.25)) map(add=T,col='grey',fill=T) } dev.off() }
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has output: C_tagi_
has output: D_dalmatinum_

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The influence of invasive jellyfish blooms on the aquatic microbiome in a coastal lagoon (Varano, SE Italy) detected by an Illumina-based deep sequencing strategy
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description: Abstract The rapid expansion of multicellular native and alien species outbreaks in aquatic and terrestrial ecosystems ( bioinvasions ) may produce significant impacts on bacterial community dynamics and nutrient pathways with major ecological implica- tions. In aquatic ecosystems, bioinvasions may cause adverse effects on the water quality resulting from changes in biological, chemical and physical proper- ties linked to significant transformations of the microbial taxonomic and functional diversity. Here we used an effective and highly sensitive experimental strategy, bypassing the efficiency bottleneck of the traditional bacterial isolation and culturing method, to identify changes of the planktonic microbial commu- nity inhabiting a marine coastal lagoon (Varano, Adriatic Sea) under the influence of an outbreak- forming alien jellyfish species. Water samples were collected from two areas that differed in their level of confinement inside in the lagoon and jellyfish densities (W, up to 12.4 medusae m - 3 ; E, up to 0.03 medusae m - 3 ) to conduct a snapshot microbiome analysis by a metagenomic approach. After extraction of the genetic material in the environmental water samples, we deep- sequenced metagenomic amplicons of the V5–V6 region of the 16S rRNA bacterial gene by an Illumina MiSeq platform

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date created: 2016-07-04 14:17:38.590000+00:00
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date published: 2016-07-04 14:17:38.590000+00:00
description: Starting from Jellyfish sightings, we elaborate data to produce explicit geographical information concerning trend about the evolution and distribution of alien species according with MSF directive descriptors.
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cite-as: http://ffoglini.livejournal.com/. "Trend in the evolution of invasive jellyfish distribution." ROHub. Jul 04 ,2016. https://w3id.org/ro-id/05a30007-abe3-4304-b26d-06962207456c.

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name: Moreover, during a jellyfish bloom episode it can happen that time has to be spent by fishermento repair nets damaged by jellyfish caught in them, leading to an estimated cost for the trawling fleetand small scale fisheries of over , man hours per year.
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/s triplicates, so six libraries of dual indexed amplicons of bp were successfully sequenced on the MiSeq platform using a bp paired end sequencing strategy.
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creator: ffoglini.livejournal.com
date created: 2016-10-10 13:47:34.120000+00:00
date modified: 2022-03-25 16:12:58.163402+00:00
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license: no-permission
sd date published: 2016-10-10 13:47:34.120000+00:00

Jellyfish blooms in the Northern Adriatic Sea: Fishermen's perceptions and economic impacts on fisheries
type: Resource
type: MediaObject
author: ffoglini.livejournal.com
content size: 773567
creator: ffoglini.livejournal.com
date created: 2016-07-05 12:26:18.044000+00:00
date modified: 2022-03-25 16:12:56.211685+00:00
description: Abstract Extensive blooms of gelatinous macrozooplankton species ('Jellyfish") have appeared in recent decades in Northern Adriatic (NA) waters. Anecdotal evidence suggests that these blooms have had a considerable impact on fishing operations, as this region is one of the most heavily exploited Mediterranean fishing grounds. In order to gain a better understanding of the possible economic losses for the Italian NA fishing industry due to jellyfish impacts, we conducted a survey of fishermen in the city of Chioggia, which is the main fishing port for the NA basin. The study focused on fishermen's perceptions about jellyfish blooms in the NA Sea and also investigated whether and how blooms compromised fishing operations. Survey results confirm that blooms have negatively affected fishing operations in the last few decades. We estimate that economic losses due to reduction in fish catches could amount to as much as (sic) 8.2 million per year for the Italian NA trawling fleet. Other costs on this fleet include additional fuel costs due to displacement of fishing operations, which could represent an increase in costs of over (sic) 460,000 per year. Moreover, during a jellyfish bloom episode it can happen that time has to be spent by fishermen to repair nets damaged by jellyfish caught in them, leading to an estimated cost for the trawling fleet and small scale fisheries of over 89,000 man-hours per year. This study not only confirms that jellyfish blooms have a considerable impact on fishing operations but also shows how costly blooms can be for the NA fisheries.
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license: no-permission
sd date published: 2016-07-05 12:26:18.044000+00:00

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