5 g solar powered satellite transmitter. Database = Web of Science, terms = satellite & remote sensing & habitat

Transcription

1 Rob Suryan

2 5 g solar powered satellite transmitter Database = Web of Science, terms = satellite & remote sensing & habitat

3 Words in Abstracts From 120 Bird and Mammal Satellite Habitat Use Papers

4 Determining Behavioral States First Passage Time Bayesian Partitioning of Markov Models Flat Behavioral Change Point Analysis Multi-State Random Walk

5 Determining Behavioral States First Passage Time Bayesian Partitioning of Markov Models Flat Behavioral Change Point Analysis Multi-State Random Walk

6 Commonly used Satellite-Derived Habitat Products Wind Speed Depth SST Chl a Sea Level Height C Gradients of Chl a, SST, Depth Primary Productivity Salinity

7 Suryan et al Mar. Ecol. Progr. Ser.

8 Suryan et al Deep-Sea Res. II Redfern et al Mar. Ecol. Progr. Ser.

9 Building models at larger resolutions may reduce noise in the data due to false absences (Redfern et al. 2008) Suryan et al Deep-Sea Res. II Redfern et al Mar. Ecol. Progr. Ser.

10 65 60 Latitude Longitude

11 (a) (b) Antolos et al. in prep

12 (a) Identifying what habitat is truly available to an animal is often equivocal Johnson 1980, Porter and Church 1987, Millspaugh and Marzluff 2001 Focus analyses on resources used by animals & characterize animal behavior within particular habitats (Millspaugh and Marzluff 2001

13 *Identify key questions & experimental design* Habitat Use What/Where Survey Mechanisms of Use How/Why Process Study

14 Surface forager Sensitive to vertical changes in prey distribution

15 Juvenile Walleye pollock Myctophid or Lanternfish Paredes et al Mar. Ecol. Prog. Ser.

16 Fish offal walleye Juvenile pollock Walleye pollock St. Paul St. George Myctophid S. leucopsaurus Krill Thysanoessa spp. Myctophid S. Myctophid leucopsaurus or Lanternfish Krill Thysanoessa spp. Bogoslof Paredes et al Mar. Ecol. Prog. Ser.

17 Juvenile Walleye pollock Myctophid or or Lanternfish Paredes et al Mar. Ecol. Prog. Ser.

18 2008 Anticyclonic Inside Outside Myctophid or Lanternfish Paredes et al PLoS ONE Eddy data from Chelton, Schlax, and Gaube, OSU, CEOAS (Chelton et al Prog. Ocn, 2011 Science)

19 Juvenile Walleye pollock St. Paul 2009 St. Paul 2010 St. Paul St. George St. George St. George Myctophid or Lanternfish Paredes et al PLoS ONE Eddy data from Carol Ladd, NOAA, PMEL

20 Foraging locations Juvenile Walleye pollock % Forage locations Low Anticyclonic Cyclonic Outside Myctophid or Lanternfish EKE High Paredes et al PLoS ONE

21 Cyclonic Inside Outside Myctophid or Lanternfish Paredes et al PLoS ONE Eddy data from Chelton, Schlax, and Gaube, OSU, CEOAS (Chelton et al Prog. Ocn, 2011 Science)

22

23 Dynamic Soaring National Geographic Flight speed > 100 km hr -1 Albatrosses = Croxall et al Science High Speed, Long Distance, Ocean Wanderers

24 Albatross Passive Drifter? =

25 72 birds tracked: 47 Short-tailed, 7 Black-footed, 18 Laysan

26 Juvenile Walleye pollock P. Stabeno, C. Ladd, et al.

27 Albatrosses vs. Drifters Aleutian Islands Juvenile Walleye pollock Myctophid or Lanternfish n = 42 n = 11 Drifter residence time in Aleutian Islands is only 2X as long as albatrosses even though drifters travel < 1/10 the speed

28 Juvenile Walleye pollock Flood Myctophid or Lanternfish 39 Days!! Ebb

29 Juvenile Walleye pollock Flood Myctophid or Lanternfish 39 Days!! Ebb

30 Juvenile Walleye pollock ROMS Simulation 2km Resolution Temperature & surface currents - tides included Scott Durski, Coastal Ocean Modeling, Oregon State University C

31 Wind Speed During Summer Non-breeding Season June-August, * Juvenile Walleye pollock Aleutian Islands Myctophid or Lanternfish Oceanic m s -1

32 SAR data from the RADARSAT-1 swath width = 100 km Seabird and humpback whale aggregations (circles) Tuna school Myctophid or Lanternfish Churnside et al Rem. Sens. Petit et al IEEE Trans. Geo. Rem. Sens.

33 MODIS, resolution = 250 m Juvenile Walleye pollock Myctophid or Lanternfish Oceanic nonlinear waves from the Lombok Strait Mitnik et al. 2001

34 Juvenile Walleye pollock El Prat Airport, Barcelona Myctophid or Lanternfish One panchromatic band m resolution Eight multispectral bands - blue through near infrared m Swath width km Geolocation accuracy < 3.5m 1-3 day revisit interval DigitalGlobe 2014

35 Example of Panchromatic and Multispectral Fusion Juvenile Walleye pollock Short-tailed Albatross colony Torishima, Japan Myctophid or Lanternfish Dolliver et al. unpubl. data

36 Conclusions Continued advancement in this field will come from innovative study design in addition to advanced sensors and novel quantitative approaches Habitat use is highly dynamic & models are prone to failure when projecting under future climate conditions Important to Understand Mechanisms of Use

37 Acknowledgements