#WSTC1 presentationsAll the presentations from the first world seabird twitter conference organized for your viewing pleasure!

by World Seabird Union 22 minutes ago

Stephanie Borrelle - @turtleandweasel: Seabird island conservation: Are we rearranging the deckchairs on the

Titanic?

Steph B. Borrelle@turtleandweasel

2 DAYS AGO

1 #WSTC1 53% of Procellaiirformes (tubenosed seabirds) showdeclining populations despite island conservation actions ow.ly/KmnMP

Steph B. Borrelle@turtleandweasel

2 DAYS AGO

2 #WSTC1 We are constructing a fully parameterized demographicmodel to predict pop. growth rates under scenarios of multiple marinethreats

Steph B. Borrelle@turtleandweasel

2 DAYS AGO

3 #WSCT1 Threats: #plastic ingestion goo.gl/6ALDzY fisheries bycatchgoo.gl/FcBFCL & #climatechange goo.gl/cim3cO

Steph B. Borrelle@turtleandweasel

2 DAYS AGO

4 #WSTC1 Complex interactions, spatial variation of threats & foragngrange mean demographic responses can lead to precarious pop.stability

https://storify.com/Seabirders/wstc1

Steph B. Borrelle@turtleandweasel

2 DAYS AGO

5 #WSTC1 variance in seabird pop. trends over time can be betterexplained by understanding how threats interact e.g. goo.gl/b9DFdh

Steph B. Borrelle@turtleandweasel

2 DAYS AGO

6 #WSTC1 Understandng marine threat interactions can aid mgers toavoid 'rearranging the deckchairs on the titanic' in seabird#conservation

Mark Miller - @lark_gorilla: Tropical seabird foraging in association with sub-surface predators.

Mark Miller@lark_gorilla

2 DAYS AGO

1 #WSTC1 Tropical seabird prey is patchily distributed, foraging withsubsurface predators boosts success int-res.com/abstracts/meps…

https://storify.com/Seabirders/wstc1

Mark Miller@lark_gorilla

2 DAYS AGO

2 #WSTC1 Masked & Brown Boobies & Wedge-tailed Shearwaters aresampled for diet, isotope & GPS data off Australia youtube.com/watch?v=Nhoeyf…

Mark Miller@lark_gorilla

2 DAYS AGO

3 #WSTC1 Subsurface predators of high commercial value are heavilyfished in the foraging range of seabird coloniesthefishsite.com/articles/1134/…

Mark Miller@lark_gorilla

2 DAYS AGO

4 #WSTC1 Coral Sea overlap: Yellowfin, Bigeye and Albacore tuna sharecore foraging areas and prey with Boobies and Shearwaters

Mark Miller@lark_gorilla

2 DAYS AGO

5 #WSTC1 Tasman Sea partitioning: seamounts and currents reliablyaggregate predators in subtropics but allow separation in dietary niche

Mark Miller@lark_gorilla

2 DAYS AGO

6 #WSTC1 Exploited and cryptic sub-surface predators can bemonitored through their foraging relationships with seabirds in tropicalsystems

Jennifer Mcgowan - @j_a_mcgowan: Spatially explicit prioritization of conservation actions for seabirds

https://storify.com/Seabirders/wstc1

Jennifer McGowan@j_a_mcgowan

2 DAYS AGO

2 #WSTC1 We reviewed spatial seabird cons planning lit to assess itsconsistency with current best practice in marine spatial planning

Jennifer McGowan@j_a_mcgowan

2 DAYS AGO

3 #WSTC1 Most conservation studies prioritize areas by mappingabundances, species richness & occasionally threatstinyurl.com/pokm3cc

https://storify.com/Seabirders/wstc1

Jennifer McGowan@j_a_mcgowan

2 DAYS AGO

5 #WSTC1 Most studies violate common mistakes of Game et.al(2013), mainly by prioritizing places instead of actionstinyurl.com/csxbnhs

Jennifer McGowan@j_a_mcgowan

2 DAYS AGO

6 #WSTC1 To influence global spatial conservation planning, seabirdscientists must embrace best practice tools & thinking

Rachael Sagar - @inexpectata: Optimising translocation efforts of Mottled Petrels (Pterodroma inexpectata):

growth, provisioning, meal size and the efficacy of an artificial diet for chicks

Rachael@inexpectata

2 DAYS AGO

1#WSTC1 Within NZ mottled petrels are a major contender fortranslocation efforts, though a lack of basic information has constrainedaction

https://storify.com/Seabirders/wstc1

Rachael@inexpectata

2 DAYS AGO

2#WSTC1 We studied natural chick growth, adult provisioning regimes &simulated a translocation of 10 chicks during late chick rearing

Rachael@inexpectata

2 DAYS AGO

4#WSTC1 Colony chicks received 1 feed every 10 nights until 1 weekbefore fledging after which feeding ceased & average meal size was47g

Rachael@inexpectata

2 DAYS AGO

5#WSTC1 Fledging condition in mottled petrels isn’t adversely affectedby translocation but could raise condition by feeding until fledging

https://storify.com/Seabirders/wstc1

Rachael@inexpectata

2 DAYS AGO

6#WSTC1 To maximise conservation success access to/sharing oftaxon-specific biology of target species is imperative shar.es/1fgYlV

Jingjing Zhang - @Geo_gournot: Inferring behavioural states from foraging trajectories of little penguin

(Eudyptular minor)

Jingjing Zhang@Geo_gournot

2 DAYS AGO

1 #WSTC1 We present a simple framework for classifying behaviouralstates within the geospatial lifelines of seabird using little penguins.

Jingjing Zhang@Geo_gournot

2 DAYS AGO

2 #WSTC1 Foraging trajectories were collected from two colonies in NewZealand: remote Burgess Island, and urbanlised Matiu/Somes Island.

Jingjing Zhang@Geo_gournot

2 DAYS AGO

3 #WSTC1 Our model involves three sequentially applied statisticalprocedures:1. behavioural change point analysis to partition trajectories

Jingjing Zhang@Geo_gournot

2 DAYS AGO

4 #WSTC1 2. determine the number of behavioural states; 3. k-meansclustering to classify same-state bouts (from 1.) into behaviouralmodes.

https://storify.com/Seabirders/wstc1

Jingjing Zhang@Geo_gournot

2 DAYS AGO

5 #WSTC1 Results show penguins exhibited resting, commuting, andforaging behaviour, related to ambient light, bathymetry, and rivermouths.

Jingjing Zhang@Geo_gournot

2 DAYS AGO

6 #WSTC1 Our method enables the remote characterisation ofseabirds' behaviour and provides information on their responses toenvironments

Airam Rodriguez - @Airam_Rguez: Ecolights for seabirds: solutions to a fatal attraction

https://storify.com/Seabirders/wstc1

Airam Rodríguez@Airam_Rguez

2 DAYS AGO

4 #WSTC1 Ecolights for seabirds is a project to study and shed somelight on this emerging source of pollution goo.gl/BOfBk0

https://storify.com/Seabirders/wstc1

Thomas Mattern -@TawakiProject: Is the decline of Yellow-eyed penguins a result of anthropogenic

modifications of the benthic environment off the New Zealand coast?

https://storify.com/Seabirders/wstc1

https://storify.com/Seabirders/wstc1

Philip Colllins - @pcollins_89: Adapting a PhD to bad luck: insights from a study on kittiwake breeding behaviour.

https://storify.com/Seabirders/wstc1

Philip Collins@PCollins_89

2 DAYS AGO

2 #WSTC1 Two poor breeding seasons scuppered plans. Predation ofchicks by a Peregrine Falcon did not help. bioone.org/doi/abs/10.167…

Philip Collins@PCollins_89

2 DAYS AGO

3 #WSTC1 Rather than moping, I had to adapt my project. I still have awealth of data from many individuals over two breeding seasons.

https://storify.com/Seabirders/wstc1

Philip Collins@PCollins_89

2 DAYS AGO

6 #WSTC1 Few projects go to plan, being adaptable is key. Reassessingmy collected data means that novel questions can still be addressed.

Ruedi Nagar - @ruedinager: Changes in non-breeding diet in Herring Gulls

https://storify.com/Seabirders/wstc1

Ruedi Nager@RuediNager

2 DAYS AGO

1/6 #WSTC1 What do herring #gulls eat when not breeding? Usually weonly know the breeding diet #IBAHCM #ornithology#SeabirderSaturday

Ruedi Nager@RuediNager

2 DAYS AGO

2/6 #WSTC1 Gulls moult different feathers at different times; theirstable isotopes tells what birds 8 @JamesGrecian ow.ly/3xwI6o

Ruedi Nager@RuediNager

2 DAYS AGO

3/6 #WSTC1 Combining feathers from the field and #museums fromSE-Scotland allows us to go back in time ow.ly/Kyvo0

Ruedi Nager@RuediNager

2 DAYS AGO

4/6 #WSTC1 #gulls use fewer marine resources today than 40 yearsago all year round see also ow.ly/3xwI9E ow.ly/i/a0ZRe

Ruedi Nager@RuediNager

2 DAYS AGO

6/6 #WSTC1 Changes in diet may affect breeding (see ow.ly/3xwIpf) andis studied further by @Nina_OHanlon ow.ly/3xwIpe

Dilek Sahin - @dileksimo: Are there more yelkouan shearwaters than we thought?

https://storify.com/Seabirders/wstc1

Dilek Sahin@dileksimo

2 DAYS AGO

4 #WSTC1 90K is well corresponding to global population estimates andbrought total population size into question: are there more yelkouans?

https://storify.com/Seabirders/wstc1

Dilek Sahin@dileksimo

2 DAYS AGO

5 #WSTC1 Study from Gibraltar concluded the same;coastal counts arecrucial for population estimates in certain areas goo.gl/dwFks8

Dilek Sahin@dileksimo

2 DAYS AGO

6 #WSTC1 Bosphorus is one of the key areas in monitoring yelkouansand systematic counts needed to support global population estimates.

Hannah Grist - @hgloki: Patterns and consequences of partial migration in European shags

Hannah Grist@hgloki

2 DAYS AGO

1 #WSTC1 Identifying individual seabird movements in winter and theeffect on subsequent breeding success is important for conservation

https://storify.com/Seabirders/wstc1

https://storify.com/Seabirders/wstc1

Sarah Burthe - @SarahBurthe: Overwinter migration strategy influences individual level survival of seabirds during

extreme winter wrecks

Sarah Burthe@SarahBurthe

2 DAYS AGO

1 #WSTC1 Extreme weather predicted to become morefrequent/severe. Does winter migration strategy influence survivalthrough a storm?

https://storify.com/Seabirders/wstc1

Sarah Burthe@SarahBurthe

2 DAYS AGO

2 #WSTC1 Quantified survival of colour-ringed shags (partial migrant)over a severe winter storm with high mortality ow.ly/i/942c8

Sarah Burthe@SarahBurthe

2 DAYS AGO

3 #WSTC1 Winter sites known for 750 birds breeding before bad winter.Linking winter migration strategy and individual survival highly novel

Sarah Burthe@SarahBurthe

A DAY AGO

4 #WSTC1 Winter strategy affects survival:16% lower for residents (staynear breeding colony) than migrants (move up to 570km).

Sarah Burthe@SarahBurthe

2 DAYS AGO

5 #WSTC1 Old birds and ♀s worst hit: 42% ♀ and 51% ♂ survived stormwinter (92-94% normal yrs). Survival 16% lower for old birds (≥14 yrs).

Sarah Burthe@SarahBurthe

A DAY AGO

6 #WSTC1 Intrinsic factors important. Migration influences survival-residents harder hit. ↑ storms may alter optimal migration strategy

Olivia Hicks - @O_Hicks1: Environmental and intrinsic drivers of population change; an energetics approach

https://storify.com/Seabirders/wstc1

Olivia Hicks@O_Hicks1

2 DAYS AGO

1.#WSTC1 Energetics is crucial for understanding the effects ofenvironmental change on life history decisions for all seabirds

Olivia Hicks@O_Hicks1

A DAY AGO

3. #WSTC1 ODBA is increasingly used in seabirds, but how well does itwork across all natural behaviours in diving seabirds

https://storify.com/Seabirders/wstc1

Olivia Hicks@O_Hicks1

A DAY AGO

6. #WSTC1 its important to understand these relationships so that wecan use ODBA as an ecological tool to understand energetics inseabirds

Aonghais Cook - @AonghaisC: Avoidance Behaviour of Seabirds at Offshore Wind Farms

Aonghais Cook@AonghaisC

A DAY AGO

1 #WSTC1 Collision key risk of offshore windfarms, assessed withcollision risk models, Avoidance Rate key parameter but evidence basepoor

Aonghais Cook@AonghaisC

A DAY AGO

2 #WSTC1 @_BTO & @ThinkUHI reviewed evidence for 5 spp - gannetLBBGull GBBGull Hergu Kittiwake, first challenge defining spatial scales

https://storify.com/Seabirders/wstc1

Aonghais Cook@AonghaisC

A DAY AGO

3 #WSTC1 Identified 3 spatial scales –macro (avoid WF), meso (avoidturbines), micro (last second, avoid blades) also horizontal or vertical

Aonghais Cook@AonghaisC

A DAY AGO

4 #WSTC1 Evidence of macro avoidance for gannet but not gulls.Evidence gaps for meso micro & vertical avoidance- so consideronshore data

Aonghais Cook@AonghaisC

A DAY AGO

6 #WSTC1 Significant data gaps remain, but seabird avoidance rateslikely to be v. high, collision still important where densities are high

Emeline Pettex - @EmelinePettex: Large scale seasonal patterns of seabirds distribution fuels Pelagic MPA's

designation.

Emeline Pettex@EmelinePettex

A DAY AGO

1 #WSTC1 Pelagic #MPAs designation often faces a lack of knowledgeon marine species #distribution as well abundance at sea.

https://storify.com/Seabirders/wstc1

https://storify.com/Seabirders/wstc1

Emeline Pettex@EmelinePettex

A DAY AGO

5 #WSTC1 Pelagic distribution and seasonal variations (higher density &diversity in winter) must be considered in #conservation plans.

Phillip Taylor - @PhilRhodTaylor: 5 ways RSPB Scotland is working to conserve our seabirds

https://storify.com/Seabirders/wstc1

Philip Rhodri Taylor@PhilRhodTaylor

A DAY AGO

#wstc1 @RSPBScotland are committed to protecting & restoringseabird populations, here are five examples of our work ow.ly/i/a1Jwb

Philip Rhodri Taylor@PhilRhodTaylor

A DAY AGO

#wstc1 Restorations: Like the Shiants, >100 seabird islands holdinvasive non-native predators. we restore & secure ow.ly/i/a1Mz1

Philip Rhodri Taylor@PhilRhodTaylor

A DAY AGO

#wstc1 MPAs: Identify areas of sea for seabirds & ecosystems, welobby for protection & mgmt ow.ly/i/a1N74 ow.ly/i/a1NtY

Philip Rhodri Taylor@PhilRhodTaylor

A DAY AGO

Love that I'm in Dunfermline Aldi buying candles whilst speaking to theworld's seabird researchers #wstc1

Philip Rhodri Taylor@PhilRhodTaylor

A DAY AGO

#wstc1 Recover Prey: climate is changing prey around the highlatitudes, we work to understand how to adapt to this ow.ly/i/a1O1I

https://storify.com/Seabirders/wstc1

Philip Rhodri Taylor@PhilRhodTaylor

A DAY AGO

#wstc1 Reserves @RSPBScotland manages many of Scotlands bestseabird colonies Check them out @ ow.ly/KAXet ow.ly/i/a1OwF

Philip Rhodri Taylor@PhilRhodTaylor

A DAY AGO

#wstc1 Marine Planning: Use of our seas is changing. We're working tomake sure developments are in the right place ow.ly/i/a1OcM

Sjurdur Hammer - @sjurdur: Strengthening online social cohesion between seabird researchers and public

awareness through the #seabirdersaturday campaign

Sjúrður Hammer@sjurdur

A DAY AGO

1 #WSTC1 #SeabirderSaturday – an initiative to connect researchersand integrate early career scientists globally #ECS #WSC2

https://storify.com/Seabirders/wstc1

Sjúrður Hammer@sjurdur

A DAY AGO

5 #WSTC1 This animation by @Trendsmap shows the global reach of#seabirdersaturday on a Saturday buff.ly/1HbuXIx

Sjúrður Hammer@sjurdur

A DAY AGO

6 #WSTC1 #SeabirderSaturday helps the WSU fulfil many of its newlegacy priorities buff.ly/1xGdzDg and is a worthwhile outreach tool

Bianca Viera -@biancapvieira: Aves marinhas e costeiras: a facebook page to spread the word about sea and

shorebirds.

https://storify.com/Seabirders/wstc1

https://storify.com/Seabirders/wstc1

https://storify.com/Seabirders/wstc1

Katherine Booth-Jones - @KatBoothJones: Quantifying intra-population variation in the year-round distribution

of a tropical, pelagic seabird.

Katherine BoothJones@KatBoothJones

A DAY AGO

1 #WSTC1 Understanding intra-population variation in seabirddistributions throughout their annual cycle is valuable to seabirdconservation

Katherine BoothJones@KatBoothJones

A DAY AGO

2 #WSTC1 Intra-population variation in the distribution of Round IslandPetrels (Mauritius) was investigated using data from 116 geolocators

Katherine BoothJones@KatBoothJones

A DAY AGO

3 #WSTC1 A bespoke Bayesian mixtures analysis grouped individualsinto mixtures based on similarities and differences in their distributions

https://storify.com/Seabirders/wstc1

Katherine BoothJones@KatBoothJones

A DAY AGO

4 #WSTC1 We found considerable individual variation in migrationpatterns, linked in part to seasonal changes in the Indian Oceanmonsoon

Katherine BoothJones@KatBoothJones

A DAY AGO

6 #WSTC1 Our approach can be used at a range of spatial scales,making it a flexible tool for quantifying variation in seabird distributions

Saskia Wischnewski - @saswisch: Exceptionally long provisioning trips to the mid-Atlantic and western Scotland

by Manx Shearwaters (Puffinus puffinus) breeding on the edge of Europe

Saskia Wischnewski@saswisch

A DAY AGO

1 #WSTC1 There is increasing evidence emphasizing the importance ofthe #MidAtlanticRidge (MR) for foraging coastal breeding #seabirds(SB)

https://storify.com/Seabirders/wstc1

Saskia Wischnewski@saswisch

A DAY AGO

2 #WSTC1 During chick rearing(CR) it is considered out of reach since#birds have to balance chick guarding & provisioning #ToughLife

Saskia Wischnewski@saswisch

A DAY AGO

3 #WSTC1 GPS tracked #ManxShearwaters of the #IrishWestCoastshow a 4xincrease in foraging range(FR) compared to prior CRstudies

Saskia Wischnewski@saswisch

A DAY AGO

4 #WSTC1 3 distinct foraging areas can be identified (Kernel/ARS):#GalwayBay #WestScotland & #ReykjanesRidge (RR) along the MR

Saskia Wischnewski@saswisch

A DAY AGO

5 #WSTC1 This is an example of high geographic variability in FRs & thegreatest recorded FR for coastal #seabirds CR in the N hemisphere

Saskia Wischnewski@saswisch

A DAY AGO

6 #WSTC1 Results support plans to establish MPAs at the RR&stress toexpand SB research on study species to new sites ow.ly/KCr5E

Elizabeth Morgan - @ElalmoLiz: Investigating individuality in the foraging behaviour of European Shags: flexibility,

consistency and constraint.

https://storify.com/Seabirders/wstc1

Liz Morgan@ElalmoLiz

A DAY AGO

2 #WSTC1 Little work on consistency of short-range foragers’ esp.species which feed close to the sea bed, so Shags are ideal studysubjects

https://storify.com/Seabirders/wstc1

Liz Morgan@ElalmoLiz

A DAY AGO

6 #WSTC1 More data needed to look at year-year variability 2015 fieldseason starting soon! Meanwhile the battle with R continues! #PhDLife

Helen Wade - @helen_wade_: Intra-population variation in foraging behaviour of great skuas (Stercorarius skua)

indicates differential effects of marine renewable energy developments and fisheries activity

https://storify.com/Seabirders/wstc1

https://storify.com/Seabirders/wstc1

Helen Wade@Helen_Wade_

A DAY AGO

4/6 #WSTC1 Predictable fronts may drive repeated use of foraginglocations by #seabirds. See also: tinyurl.com/nfxlmx9 @KylieScales#WSC2

Helen Wade@Helen_Wade_

A DAY AGO

5/6 #WSTC1 Individual relationships with habitat visible in GPS trackingdata–indication of individual dietary specialisms? #WSC2 #seabirds

Helen Wade@Helen_Wade_

A DAY AGO

6/6 #WSTC1 Individual strategy&breeding status may cause differentimpacts of human activities on subsections of #seabird populations#WSC2

Helen Wade@Helen_Wade_

A DAY AGO

Loving the #seabirdersaturday geek out & hearing about all theamazing #seabird #research going on: world seabird twitter conference#WSTC1

Message from @Seabirders

https://storify.com/Seabirders/wstc1

Ashley Bennison - @ash_w_b: Getting the most from your data: Predictive statistics can be used to develop a

better understanding of foraging ecology in northern gannets

Ashley Bennison@Ash_w_b

A DAY AGO

1 #WSTC1 Developing seabird tag deployment and analysis techniquesis an important tool in improving the quality and efficiency of research.

Ashley Bennison@Ash_w_b

A DAY AGO

2 #WSTC1 Other devices, eg TDRs, are more expensive than GPS forlarge-scale projects - we used predictive stats to forecast data

Ashley Bennison@Ash_w_b

A DAY AGO

3 #WSTC1 Model training used tortuosity, speed, and turning angle toassociate movement patterns with TDR-confirmed dives in 9 gannets

https://storify.com/Seabirders/wstc1

Ashley Bennison@Ash_w_b

A DAY AGO

5 #WSTC1 Dive events, SIA, and VMS data showed high discard usebirds had higher rates of diving and fishery interactions than low usebirds

Ashley Bennison@Ash_w_b

A DAY AGO

6 #WSTC1 Predictive stats are a powerful tool developing seabirdstudies efficiently with limited resources. This should be applied widely

Alice Trevail - @alicetrevail: Elevated levels of plastic ingestion by a high-Arctic seabird: the northern fulmar

(Fulmarus glacialis)

https://storify.com/Seabirders/wstc1

https://storify.com/Seabirders/wstc1

https://storify.com/Seabirders/wstc1

Nina O'Hanlon - @Nina_OHanlon: Spatial variation in herring gull egg colour

Nina O'Hanlon@Nina_OHanlon

A DAY AGO

1 #WSTC1 Egg colour can reflect female bird condition & theirenvironment so may act as a monitor of local habitats ow.ly/KCe3w

https://storify.com/Seabirders/wstc1

Nina O'Hanlon@Nina_OHanlon

A DAY AGO

4 #WSTC1 Egg colour & size differed between colonies suggesting eggtraits are sensitive to local #marine conditions #seabirds #gulls

Nina O'Hanlon@Nina_OHanlon

A DAY AGO

5 #WSTC1 within a year colonies with browner eggs were moreproductive. #seabirds #gulls

Nina O'Hanlon@Nina_OHanlon

A DAY AGO

6 #WSTC1 Egg colour maybe a useful monitoring tool providing an earlywarning that #gulls are exp. adverse conditions ow.ly/KCeZd

James Grecian - @JamesGrecian: Differential migratory responses of closely-related dietary generalist and

specialist marine predators to long-term climate change

James Grecian@JamesGrecian

A DAY AGO

1/6 #ClimateChange is forcing plankton species polewards and#seabirds need to adapt to this change #WSTC1 #WSC2#seabirdersaturday

https://storify.com/Seabirders/wstc1

James Grecian@JamesGrecian

A DAY AGO

4/6 Here's a video about our fieldwork in New Zealand from@Forest_and_Bird youtube.com/watch?v=KAkkx1… … #WSTC1

https://storify.com/Seabirders/wstc1

James Grecian@JamesGrecian

A DAY AGO

5/6 #Isotopes offer a useful tool to retrace animal diet and spatialpatterns - You are what you eat! Blog:naturallyspeakingpodcast.wordpress.com/2015/03/02/you… #WSTC1

James Grecian@JamesGrecian

A DAY AGO

6/6 Variation in isotopes also needs to be better understood, our #OApaper in Marine Biology is here: link.springer.com/article/10.100…#WSTC1 #WSC2

Martin Berg -@BergAtSea: Using the fluttering shearwater (Puffinus gavia) as an ecological indicator for marine

ecosystem health in northern New Zealand

Martin Berg@BergAtSea

A DAY AGO

2 #WSTC1 #HaurakiGulf; marine hotspot exposed to habitatdestruction & overfishing. Urgent need to understand its ecosystemcomponents #WSC2

https://storify.com/Seabirders/wstc1

Richard Howells - @howellsrj: Non-linear relationships between diet and demography in European shags signal

environmental change in the North Seahttps://storify.com/Seabirders/wstc1

environmental change in the North Sea

Rich Howells@howellsrj

A DAY AGO

1 #WSTC1 The #NorthSea is #warming rapidly, reducing the quality ofLesser #Sandeel (SE), a concern 4 #seabirds dependent on this#species

Rich Howells@howellsrj

A DAY AGO

2 #WSTC1 Isle of May European Shags studied by @ceh since 1970s.#Demographic rates recorded, #ringing & diet samples collectedannually

Rich Howells@howellsrj

A DAY AGO

3 #WSTC1 #Prey items were identified & proportions of each prey typecalculated, indicating #annual variation in #diet

Rich Howells@howellsrj

A DAY AGO

4 #WSTC1 #Population size has reduced while #breedingsuccess hasincreased. SE dominated until #2004, with #new #species presentsince

Rich Howells@howellsrj

A DAY AGO

5 #WSTC1. #Breedingsuccess & #survival reduced when proportions of#sandeel low. Delayed breeding #phenology when return ratesdepressed

https://storify.com/Seabirders/wstc1

Rich Howells@howellsrj

A DAY AGO

6 #WSTC1 Shags now reliant on new #fish species which may be less#nutritious or more #costly 2 #forage with potential impacts 4#demography

Juliet Lamb - @project_pelican: Brown pelican fledging success and diet in the Western Gulf of Mexico: potential

drivers of changing regional distribution

Project Pelican@project_pelican

A DAY AGO

1 #WSTC1 Numbers of Brown pelicans have grown exponentially inNorthern Texas but remain stable or decline elsewhere in the state -why?

Project Pelican@project_pelican

A DAY AGO

2 #WSTC1 We measured chick condition, fledging success, andfrequency, size and content of chick meals in the four largest Texascolonies

https://storify.com/Seabirders/wstc1

https://storify.com/Seabirders/wstc1

Grant Humphries -@GrantHumphries: Creating spatial models without the spatial data: How long term ecological

data can help identify important oceanographic regions for top predators

https://storify.com/Seabirders/wstc1

Grant Humphries@GrantHumphries

A DAY AGO

1 #WSTC1 Sample size is often a problem for GPS tracking studies to IDimp regions for #seabirds. Can supplement w. Long term pop. data

Grant Humphries@GrantHumphries

A DAY AGO

2 #WSTC1 We used a gridded model approach to id important regionsfor sooty shearwaters based on harvest diariesesajournals.org/doi/abs/10.189…

Grant Humphries@GrantHumphries

A DAY AGO

3 #WSTC1 For each grid cell over the study area, population data areused as the target variable with enviro. vars as predictors

https://storify.com/Seabirders/wstc1

Grant Humphries@GrantHumphries

A DAY AGO

4 #WSTC1 We map the assessment metrics for each grid cell, whichtells us which cells best predict the population data

Grant Humphries@GrantHumphries

A DAY AGO

5 #WSTC1 We also did this for values of the Southern oscillation to mapoverlap with SOSH results (video just broke down on me! d'oh)

Grant Humphries@GrantHumphries

A DAY AGO

6 #WSTC1 An R package is currently being produced. These methodscan be applied to any species with good long term population data.

Yovana Murillo - @proygolondrina: Ringed storm petrel project: building a link between conservation and cities in

Peru

https://storify.com/Seabirders/wstc1

https://storify.com/Seabirders/wstc1

https://storify.com/Seabirders/wstc1

Rachel Buxton - @buxton_rachel: One method does not suit all: variable settlement responses of three

procellariid species to vocalization playbacks

Rachel Buxton@buxton_rachel

A DAY AGO

1 #WSTC1 Call-playback is used to establish seabird colonies atrestoration sites, but success varies among projectsonlinelibrary.wiley.com/resolve/doi?DO….

https://storify.com/Seabirders/wstc1

Rachel Buxton@buxton_rachel

A DAY AGO

2 #WSTC1 We tested 3 petrel sp attraction to playback at 6 paired siteswith varying densities of nearby (figure issues!)

https://storify.com/Seabirders/wstc1

Rachel Buxton@buxton_rachel

A DAY AGO

5 #WSTC1 This suggests there may be a relationship betweenattraction to call-playback and the size of nearby potential sourcepopulations

Rachel Buxton@buxton_rachel

A DAY AGO

6 #WSTC1 For some petrel sp call-playback represents a cost-effectiverestoration approach, but success should be assessed from the outset

Abraham Borker -@abeborker: Passive Acoustic Monitoring as a Scalable Seabird Monitoring Tool

abeborker@abeborker

A DAY AGO

1 #WSTC1 Seabirds are #endangered & ecologically important, but ourability to monitor popn’s trails threats and potent conservation actions

abeborker@abeborker

A DAY AGO

2 #WSTC1 Biologists can eavesdrop on seabird calls to measure popn’sat a global scale using autonomous acoustic sensors and analysis

abeborker@abeborker

A DAY AGO

3 #WSTC1 Passive acoustic monitoring can measure the relativeabundance and phenology of seabirds, and detect rare species inremote places

https://storify.com/Seabirders/wstc1

abeborker@abeborker

A DAY AGO

4 #WSTC1 Seabird island #soundscapes are organized spatial andtemporal carriers of information, which we are only beginning tocomprehend

abeborker@abeborker

A DAY AGO

5 #WSTC1 #Soundscapes may tell us about the #restoration of entireseabird islands ecosystems and population responses to climatechange

abeborker@abeborker

A DAY AGO

6 #WSTC1 Acoustic monitoring is a scalable, lo-cost tool to monitorseabirds and responses to conservation action and stressors(eg.climate)

Alexander Thornton - @AntarcticWaters: Penguins as Southern Ocean Sentinels: using diving behaviors, diet

composition, and phenology to develop comprehensive Marine Protected Areas in the Antarctic

Alex Thornton@AntarcticWaters

A DAY AGO

1 #WSTC1 Pygoscelid penguins=SouthernOcean sentinels b/c krilldependent diet & sensitivity to env indicators. ClimChange(CC)threatens them

https://storify.com/Seabirders/wstc1

Alex Thornton@AntarcticWaters

A DAY AGO

2 #WSTC1 MPAs protect seabirds & ecosystems thr by CC; moreeffective if fine-scale interaction btwn dynamic ocean & spp behaviorconsidered

Alex Thornton@AntarcticWaters

A DAY AGO

3 #WSTC1 To fix-quant integrate dive data w/derived foraging indicators(eg-currents, SST) relative to effort & cost for spatiotemp movement

Alex Thornton@AntarcticWaters

A DAY AGO

4 #WSTC1 Infer diet w/isotopic, genetic analyses of ancient & modernsamples. Overlay hydroacoustic survey, dive data for Vert dimension-etc

Alex Thornton@AntarcticWaters

A DAY AGO

5 #WSTC1 Monitor nat resource trends w/phenology; eg-arrival ofpred/prey, chick mortality. Most MPAs set/seasonal-should it rove asneeded?

https://storify.com/Seabirders/wstc1

Falk Huettmann - @falkhuettmann: Paradise lost already? A naturalist interpretation of recent avian and sea

mammal detections in the North Atlantic (falls 2011 and 2014)

Falk Huettmann@FalkHuettmann

A DAY AGO

#WSTC1 Paradise lost already?A naturalist interpretation of recentavian and sea mammal detections in the North Atlantic (falls 2011 &2014)

Falk Huettmann@FalkHuettmann

A DAY AGO

#WSTC1 While teaching with Semester at Sea (Fall 2014), Aug.-Dec, wecarried out pelagic seabird surveys in the Northern & Central Atlantic.

Falk Huettmann@FalkHuettmann

A DAY AGO

#WSTC1 We surveyed from the 'MV Explorer' daily, using 10minDistance Sampling line transects,as well as opportunistic surveys(day&night).

https://storify.com/Seabirders/wstc1

Falk Huettmann@FalkHuettmann

A DAY AGO

#WSTC1 Apart from Northern Gannets,N.Fulmars,boobies,storm petrels& coastal gulls,we detected hardly any seabirds,nor many marinemammals!

Falk Huettmann@FalkHuettmann

A DAY AGO

#WSTC1 Noteworthy are many passerines following the ship andlanding (day and night). This surprising lack of pelagic ocean lifematches our

Falk Huettmann@FalkHuettmann

A DAY AGO

#WSTC1 earlier work off Iceland in fall 2011 (=virtually no auks), andother studies reporting massive declines and a global ocean crisis!

MIchael Polito - @MJpolito: You Are Where You Ate: Direct Tracking and Compound-Specific Stable Isotope

Analysis Identify the Winter Movements of Antarctic Penguins

Michael Polito@MJPolito

A DAY AGO

1/6 New technology allows direct seabird tracking but costs/logistics canlead to low sample sizes & few sites #WSTC1 bit.ly/19bhAJz

https://storify.com/Seabirders/wstc1

Michael Polito@MJPolito

A DAY AGO

3/6 GLS indicated two migration strategies: overwintering in the ScotiaSea or far west of the Peninsula #WSTC1 @NOAA 1.usa.gov/1AWdYmm

https://storify.com/Seabirders/wstc1

Rachael Orben - @RachaelOrben: Kittiwakes balance flexibility and spatial consistency during their winter

migrations

https://storify.com/Seabirders/wstc1

Rachael Orben@RachaelOrben

A DAY AGO

2 #WSTC1 Kittiwakes were tracked from the Pribilof Is, AK usinggeolocation loggers from Oct to Mar 17 birds were tracked across 2winters

https://storify.com/Seabirders/wstc1

https://storify.com/Seabirders/wstc1

Sarah Gutowsky - @birdnerd_seg: Individual-level variation and colony-level interpretations of spatial patterns

for wide-ranging species

Sarah Gutowsky@birdnerd_seg

A DAY AGO

1 #WSTC1 We’re all aware that knowing where #seabirds go at sea ismore important now than ever in managing populations and#speciesatrisk

Sarah Gutowsky@birdnerd_seg

A DAY AGO

2 #WSTC1 Colony-specific range is often described from a smallnumber of tracked birds *assuming consistent movements amongcolony members

Sarah Gutowsky@birdnerd_seg

A DAY AGO

3 #WSTC1 #Samplingsensitivity analyses for 2 #albatross spp showscaling up from few individuals can be misleading *for wide-ranging spp

https://storify.com/Seabirders/wstc1

Sarah Gutowsky@birdnerd_seg

A DAY AGO

5 #WSTC1 #Samplingsensitivity analysis should be the norm for each#seabird #tracking dataset before describing colony-level space use

Sarah Gutowsky@birdnerd_seg

A DAY AGO

6 #WSTC1 #Seabirdscience can inform management in the mostuseful and reliable way when data limitations are addressed andacknowledged

Kyle Elliott -@KyleHElliott: Preserved in salt: two charadriiform seabirds show few signs of ageing

https://storify.com/Seabirders/wstc1

Kyle Elliott@KyleHElliott

A DAY AGO

4 #WSTC Reproductive senescence was due to terminal restraint as oldbirds were less capable of investing in young: bit.ly/1BiHlyH

https://storify.com/Seabirders/wstc1

Kyle Elliott@KyleHElliott

A DAY AGO

5 #WSTC1 Metabolism & O2 stores declined in synchrony and so divingdidn't vary with age. #Negativedata = important. bit.ly/1FSeYhb

Kylie Scales - @KylieScales: Ensemble ecological niche models identify preferred foraging habitats of grey-headed

albatrosses Thalassarche chrysostoma

Kylie Scales@KylieScales

A DAY AGO

1/6 #WSTC1 Ecological niche models (ENM) are useful forunderstanding species’ distributions & habitat preferences.

https://storify.com/Seabirders/wstc1

Kylie Scales@KylieScales

A DAY AGO

3/6 #WSTC1 Models identified suitable foraging habitats across neritic,shelf-break & oceanic waters. SST & chl-a important predictors.

https://storify.com/Seabirders/wstc1

Kylie Scales@KylieScales

A DAY AGO

6/6 #WSTC1 However, ensemble ENM showed poor transferabilitythrough time. How much is enough data to predict key habitats forconservation?

https://storify.com/Seabirders/wstc1