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WHERE DO SAWFISH LIVE? Educator Information for Student Activity 4
WHERE DO SAWFISH LIVE? Educator Information For Student Activity 4 Lesson Summary: This lesson examines the diversity of locations and habitats where sawfish are found throughout the world. Vocabulary: Distribution, habitats Background Information: There are six recognized species of sawfish throughout the world. In this activity the distribution range of each species will be discussed and mapped. Information on each species can be found in the “Sawfish In Peril” teaching binder within each of the species profiles. Materials: Copies of activity map sheets and species profile laminated cards w/maps Pencils: colored pencils recommended Procedure: This activity begins by getting students to look at the different maps of sawfish species distribution. Have each student color in a map template of the distribution of a favorite sawfish species or have students form groups to color the maps for each species. Discussion Questions: Where do sawfish live? What habitats do sawfish reside in? Where would you go if you wanted to see a sawfish? Extension Activities: For more advanced students, the following questions can be discussed: What determines where sawfish species live? Do sawfish prefer certain water temperatures and habitat types? In the past, did sawfish have larger distribution then they do currently? If so, why do you think that is? www.flmnh.ufl.edu/fish 6-14 © 2010 Florida Museum of Natural History WHERE DO SAWFISH LIVE? Educator Information For Student Activity 4 Maps of sawfish species geographical distribution (from the species profiles): Smalltooth Sawfish (P. pectinata) Freshwater Sawfish (P. microdon) Largetooth Sawfish (P. perotteti) Dwarf Sawfish (P. clavata) Green Sawfish (P. -
Checklist of Philippine Chondrichthyes
CSIRO MARINE LABORATORIES Report 243 CHECKLIST OF PHILIPPINE CHONDRICHTHYES Compagno, L.J.V., Last, P.R., Stevens, J.D., and Alava, M.N.R. May 2005 CSIRO MARINE LABORATORIES Report 243 CHECKLIST OF PHILIPPINE CHONDRICHTHYES Compagno, L.J.V., Last, P.R., Stevens, J.D., and Alava, M.N.R. May 2005 Checklist of Philippine chondrichthyes. Bibliography. ISBN 1 876996 95 1. 1. Chondrichthyes - Philippines. 2. Sharks - Philippines. 3. Stingrays - Philippines. I. Compagno, Leonard Joseph Victor. II. CSIRO. Marine Laboratories. (Series : Report (CSIRO. Marine Laboratories) ; 243). 597.309599 1 CHECKLIST OF PHILIPPINE CHONDRICHTHYES Compagno, L.J.V.1, Last, P.R.2, Stevens, J.D.2, and Alava, M.N.R.3 1 Shark Research Center, South African Museum, Iziko–Museums of Cape Town, PO Box 61, Cape Town, 8000, South Africa 2 CSIRO Marine Research, GPO Box 1538, Hobart, Tasmania, 7001, Australia 3 Species Conservation Program, WWF-Phils., Teachers Village, Central Diliman, Quezon City 1101, Philippines (former address) ABSTRACT Since the first publication on Philippines fishes in 1706, naturalists and ichthyologists have attempted to define and describe the diversity of this rich and biogeographically important fauna. The emphasis has been on fishes generally but these studies have also contributed greatly to our knowledge of chondrichthyans in the region, as well as across the broader Indo–West Pacific. An annotated checklist of cartilaginous fishes of the Philippines is compiled based on historical information and new data. A Taiwanese deepwater trawl survey off Luzon in 1995 produced specimens of 15 species including 12 new records for the Philippines and a few species new to science. -
Order GASTEROSTEIFORMES PEGASIDAE Eurypegasus Draconis
click for previous page 2262 Bony Fishes Order GASTEROSTEIFORMES PEGASIDAE Seamoths (seadragons) by T.W. Pietsch and W.A. Palsson iagnostic characters: Small fishes (to 18 cm total length); body depressed, completely encased in Dfused dermal plates; tail encircled by 8 to 14 laterally articulating, or fused, bony rings. Nasal bones elongate, fused, forming a rostrum; mouth inferior. Gill opening restricted to a small hole on dorsolat- eral surface behind head. Spinous dorsal fin absent; soft dorsal and anal fins each with 5 rays, placed posteriorly on body. Caudal fin with 8 unbranched rays. Pectoral fins large, wing-like, inserted horizon- tally, composed of 9 to 19 unbranched, soft or spinous-soft rays; pectoral-fin rays interconnected by broad, transparent membranes. Pelvic fins thoracic, tentacle-like,withI spine and 2 or 3 unbranched soft rays. Colour: in life highly variable, apparently capable of rapid colour change to match substrata; head and body light to dark brown, olive-brown, reddish brown, or almost black, with dorsal and lateral surfaces usually darker than ventral surface; dorsal and lateral body surface often with fine, dark brown reticulations or mottled lines, sometimes with irregular white or yellow blotches; tail rings often encircled with dark brown bands; pectoral fins with broad white outer margin and small brown spots forming irregular, longitudinal bands; unpaired fins with small brown spots in irregular rows. dorsal view lateral view Habitat, biology, and fisheries: Benthic, found on sand, gravel, shell-rubble, or muddy bottoms. Collected incidentally by seine, trawl, dredge, or shrimp nets; postlarvae have been taken at surface lights at night. -
GDV Field Assessment.Pdf
Miralga Groundwater Dependent Vegetation Assessment Atlas Iron Pty Ltd December 2019 Page 2 of 24 Introduction and Background Atlas Iron Pty Ltd (Atlas Iron) are currently exploring the feasibility of the Miralga Project and require the use and reactivation of several existing groundwater bores, ALB0006, ALB0009, ALB0066, ALB0067, ALB0010, ALB0008, ALB0038, ALB0039 and ALB0041, to continue proposed on-ground works at Miralga (Figure 1). Prior to abstracting groundwater, Atlas Iron have requested an assessment of Groundwater Dependent Vegetation within a stretch of Shaw River, Six Mile Creek, Sulphur Springs Creek and an unnamed creek, totalling approximately 30 kilometres (km) of riparian vegetation. The purpose of the assessment is to determine the true extent of GDVs, provide fine-scale mapping of GDV units and search for phreatophytic flora species that may be adversely impacted by groundwater abstraction. The key species for this assessment is Melaleuca argentea which is known to access groundwater at or close to the surface. Objective and Scope of Work The overarching objective of the Project was to refine the GDV mapping to fine-scale map the functional vegetation units in the identified areas (Figure 1). This objective was met via the following: • A desktop assessment to further understand vegetation unit VT05 and the key phreatophytic species previously documented as occurring within the vegetation unit. • A site visit to map the functional units along the Study Area. We investigated VT05 within the drawdown contour of 0.5 m and a further 1 km north and south along Shaw River and Sulphur Springs Creek. The only exceptions to this were: - The area that contains bore ALB0008. -
Palatability of Plants to Camels (DBIRD NT)
Technote No. 116 June 2003 Agdex No: 468/62 ISSN No: 0158-2755 The Palatability of Central Australian Plant Species to Camels Dr B. Dorges, Dr J. Heucke, Central Australian Camel Industry Association and R. Dance, Pastoral Division, Alice Springs BACKGROUND About 600,000 camels (Camelus dromedarius) are believed to inhabit the arid centre of Australia, mainly in South Australia, Western Australia and the Northern Territory. Most of these camels are feral. A small camel industry has developed, which harvests selected animals for domestic and export markets, primarily for meat. Camels can eat more than 80% of the common plant species found in Central Australia. Some plant species are actively sought by camels and may need to be protected. METHOD Observations of grazing preferences by camels were made periodically for up to 12 years on five cattle stations in Central Australia. Where camels were accustomed to the presence of humans, it was possible to observe their grazing preferences from a few metres. Radio transmitters were fitted on some camels for easy detection and observation at any time. These evaluations were used to establish a diet preference or palatability index for observed food plants. Table 1. Palatability index for camels Index Interpretation 1 only eaten when nothing else is available 2 rarely eaten 3 common food plant 4 main food plant at times 5 preferred food plant 6 highly preferred food plant 7 could be killed by camel browsing More information can be obtained from the web site of the Central Australian Camel Industry Association http://www.camelsaust.com.au 2 RESULTS Table 2. -
The Largetooth Sawfish, Pristis Pristis (Linnaeus, 1758), Is Not Extirpated from Peru: New Records from Tumbes
13 4 261 Mendoza et al NOTES ON GEOGRAPHIC DISTRIBUTION Check List 13 (4): 261–265 https://doi.org/10.15560/13.4.261 The Largetooth Sawfish, Pristis pristis (Linnaeus, 1758), is not extirpated from Peru: new records from Tumbes Alejandra Mendoza,1 Shaleyla Kelez,1 Wilmer Gonzales Cherres,2 Rossana Maguiño1 1 ecOceánica, Copernico 179, San Borja, Lima 41, Peru. 2 Asociacion de Pescadores Artesanales para Consumo Humano Directo de La Cruz, Caleta La Cruz, Tumbes, Peru. Corresponding author: Alejandra Mendoza, [email protected] Abstract The Largetooth Sawfish,Pristis pristis, was for a long time considered extirpated from Peru. However, here we report the capture of 2 individuals from the north coast of Peru, indicating that this species is still extant in Peruvian waters. Both individuals were adult-sized and their encounters occurred during the austral summer, which could indicate a seasonal presence in those waters. Gillnets are still a major threat for the species as both specimens were incidentally captured with this gear. Our finding highlights the need for continuous research, awareness, and legal protection of this species. Key words Tropical Eastern Pacific; bycatch; Pristidae; northern Peru; critically endangered species. Academic editor: Arturo Angulo Sibaja | Received 15 March 2017 | Accepted 24 May 2017 | Published 4 August 2017 Citation: Mendoza A, Kelez S, Cherres WG, Maguiño R (2017) The Largetooth Sawfish, Pristis pristis (Linnaeus, 1758), is not extirpated from Peru: new records from Tumbes. Check List 13 (4): 261–265. https://doi.org/10.15560/13.4.261 Introduction For example, they can swim far up into large rivers and have been found in lakes in South America, Africa, and All extant sawfishes belong to the family Pristidae, Southeast Asia (Harrison and Dulvy 2014). -
Marine Protected Species Identification Guide
Department of Primary Industries and Regional Development Marine protected species identification guide June 2021 Fisheries Occasional Publication No. 129, June 2021. Prepared by K. Travaille and M. Hourston Cover: Hawksbill turtle (Eretmochelys imbricata). Photo: Matthew Pember. Illustrations © R.Swainston/www.anima.net.au Bird images donated by Important disclaimer The Chief Executive Officer of the Department of Primary Industries and Regional Development and the State of Western Australia accept no liability whatsoever by reason of negligence or otherwise arising from the use or release of this information or any part of it. Department of Primary Industries and Regional Development Gordon Stephenson House 140 William Street PERTH WA 6000 Telephone: (08) 6551 4444 Website: dpird.wa.gov.au ABN: 18 951 343 745 ISSN: 1447 - 2058 (Print) ISBN: 978-1-877098-22-2 (Print) ISSN: 2206 - 0928 (Online) ISBN: 978-1-877098-23-9 (Online) Copyright © State of Western Australia (Department of Primary Industries and Regional Development), 2021. ii Marine protected species ID guide Contents About this guide �������������������������������������������������������������������������������������������1 Protected species legislation and international agreements 3 Reporting interactions ���������������������������������������������������������������������������������4 Marine mammals �����������������������������������������������������������������������������������������5 Relative size of cetaceans �������������������������������������������������������������������������5 -
Elasmobranch Biodiversity, Conservation and Management Proceedings of the International Seminar and Workshop, Sabah, Malaysia, July 1997
The IUCN Species Survival Commission Elasmobranch Biodiversity, Conservation and Management Proceedings of the International Seminar and Workshop, Sabah, Malaysia, July 1997 Edited by Sarah L. Fowler, Tim M. Reed and Frances A. Dipper Occasional Paper of the IUCN Species Survival Commission No. 25 IUCN The World Conservation Union Donors to the SSC Conservation Communications Programme and Elasmobranch Biodiversity, Conservation and Management: Proceedings of the International Seminar and Workshop, Sabah, Malaysia, July 1997 The IUCN/Species Survival Commission is committed to communicate important species conservation information to natural resource managers, decision-makers and others whose actions affect the conservation of biodiversity. The SSC's Action Plans, Occasional Papers, newsletter Species and other publications are supported by a wide variety of generous donors including: The Sultanate of Oman established the Peter Scott IUCN/SSC Action Plan Fund in 1990. The Fund supports Action Plan development and implementation. To date, more than 80 grants have been made from the Fund to SSC Specialist Groups. The SSC is grateful to the Sultanate of Oman for its confidence in and support for species conservation worldwide. The Council of Agriculture (COA), Taiwan has awarded major grants to the SSC's Wildlife Trade Programme and Conservation Communications Programme. This support has enabled SSC to continue its valuable technical advisory service to the Parties to CITES as well as to the larger global conservation community. Among other responsibilities, the COA is in charge of matters concerning the designation and management of nature reserves, conservation of wildlife and their habitats, conservation of natural landscapes, coordination of law enforcement efforts as well as promotion of conservation education, research and international cooperation. -
Trade in Seahorses and Other Syngnathids in Countries Outside Asia (1998-2001)
ISSN 1198-6727 Fisheries Centre Research Reports 2011 Volume 19 Number 1 Trade in seahorses and other syngnathids in countries outside Asia (1998-2001) Fisheries Centre, University of British Columbia, Canada Trade in seahorses and other syngnathids in countries outside Asia (1998-2001) 1 Edited by Amanda C.J. Vincent, Brian G. Giles, Christina A. Czembor and Sarah J. Foster Fisheries Centre Research Reports 19(1) 181 pages © published 2011 by The Fisheries Centre, University of British Columbia 2202 Main Mall Vancouver, B.C., Canada, V6T 1Z4 ISSN 1198-6727 1 Cite as: Vincent, A.C.J., Giles, B.G., Czembor, C.A., and Foster, S.J. (eds). 2011. Trade in seahorses and other syngnathids in countries outside Asia (1998-2001). Fisheries Centre Research Reports 19(1). Fisheries Centre, University of British Columbia [ISSN 1198-6727]. Fisheries Centre Research Reports 19(1) 2011 Trade in seahorses and other syngnathids in countries outside Asia (1998-2001) edited by Amanda C.J. Vincent, Brian G. Giles, Christina A. Czembor and Sarah J. Foster CONTENTS DIRECTOR ’S FOREWORD ......................................................................................................................................... 1 EXECUTIVE SUMMARY ............................................................................................................................................. 2 Introduction ..................................................................................................................................................... 2 Methods ........................................................................................................................................................... -
Musculoskeletal Structure of the Feeding System and Implications of Snout Elongation in Hippocampus Reidi and Dunckerocampus Dactyliophorus
Journal of Fish Biology (2011) 78, 1799–1823 doi:10.1111/j.1095-8649.2011.02957.x, available online at wileyonlinelibrary.com Musculoskeletal structure of the feeding system and implications of snout elongation in Hippocampus reidi and Dunckerocampus dactyliophorus H. Leysen*†, J. Christiaens*, B. De Kegel*, M. N. Boone‡, L. Van Hoorebeke‡ and D. Adriaens* *Research Group Evolutionary Morphology of Vertebrates, Ghent University, K.L. Ledeganckstraat 35, B-9000 Gent, Belgium and ‡UGCT, Department of Physics and Astronomy, Proeftuinstraat 86, B-9000 Gent, Belgium A thorough morphological description of the feeding apparatus in Hippocampus reidi, a long-snouted seahorse, and Dunckerocampus dactyliophorus, an extremely long-snouted pipefish, revealed spe- cialized features that might be associated with the fast and powerful suction feeding, like the two ligamentous connections between the lower jaw and the hyoid, the saddle joint of the latter with the suspensorium and the vertebro-pectoral fusion that articulates on three points with the cranium. Despite the conserved morphology of the feeding apparatus, it was found that in H. reidi the orien- tation of the occipital joint is ventrocaudal, the sternohyoideus and epaxial muscles are more bulky and both have a short tendon. In D. dactyliophorus, on the other hand, the protractor hyoidei muscle is enclosed by the mandibulo-hyoid ligament, the sternohyoideus and epaxial tendons are long and a sesamoid bone is present in the latter. These features were compared to other syngnathid species with different snout lengths to evaluate the implications of snout elongation on the musculoskeletal structure of the cranium. The arched path of the adductor mandibulae and the greater rigidity of the lower jaw might be related to elongation of the snout, as it yields an increased mechanical advantage of the lower jaw system and a reduced torque between the elements of the lower jaw during protractor hyoidei muscle contraction, respectively. -
(Australia) Ecological Risk Management Report for The
CCSBT-ERS/1203/Info18 Ecological Risk Management REPORT FOR THE EASTERN TUNA AND BILLFISH FISHERY May 2009 CCSBT-ERS/1203/Info18 Summary of priority issues for managing the ecological effects of fishing in the ETBF The Ecological Risk Assessment (ERA) process was designed to assess and rank the ecological effects of fishing in Commonwealth fisheries. The process provided a list of species, habitats and ecological communities that are at risk of ecological damage from the effects of fishing. This Ecological Risk Management (ERM) report provides how AFMA will respond to these high risk environmental components. The ecological effects of fishing in the Eastern Tuna and Billfish Fishery (ETBF) are largely due to the incidental capture of non-target species (including the capture of protected species). The methods of fishing employed in the ETBF (pelagic longline, handline, trolling, polling and rod and reel) were found to have little to no direct impact on the physical marine environment. The ETBF is a fishery which targets tuna and tuna-like species; however historical observer and logbook data show that around 103 species are taken, many in small amounts, each year. AFMA aims to implement measures which ensure that the take of commercial species is sustainable and minimises the interactions and mortality of species that are not commercially utilised. The ERA process analysed the effect of commercial fishing in the ETBF, based on the effects on all organisms (protected species, bycatch, byproduct and target species), habitats and ecological communities that occur in the area of the fishery. The highest level of assessment conducted on the ETBF was a quantitative Level 3 assessment. -
Taxonomic Resolution of Sawfish Rostra from Two Private Collections
Vol. 32: 525–532, 2017 ENDANGERED SPECIES RESEARCH Published June 27 https://doi.org/10.3354/esr00833 Endang Species Res Contribution to the Theme Section ‘Biology and ecology of sawfishes’ OPENPEN ACCESSCCESS NOTE Taxonomic resolution of sawfish rostra from two private collections Jason C. Seitz1,*, Jan Jeffrey Hoover2 1ANAMAR Environmental Consulting, Inc., 2106 NW 67th Place, Suite 5, Gainesville, Florida 32653, USA 2US Army Engineer Research and Development Center, Waterways Experiment Station, 3909 Halls Ferry Road, Vicksburg, Mississippi 39180, USA ABSTRACT: Management and recovery of endangered sawfishes are challenged by the un - certainty of species determination. Frequently, dried rostra (saws) are the only material available to represent an historical occurrence, yet traditional methods of species identification of data- deficient rostra (rostral tooth counts) are unreliable. We evaluated the utility of morphometric characters for the identification of specimens from 2 private collections totaling 41 rostra and rep- resenting 4 species: Anoxypristis cuspidata, Pristis pectinata, P. pristis, and P. zijsron. Rostra were acquired as available and the sample is likely representative of sawfishes globally. Data on 9 mor- phometric and meristic variables were collected, 5 of which were evaluated using principal com- ponent analysis (PCA). PCA of the mensural data accounted for 87% of the variance with the first 2 principal components. Principal component 1 (PCI) was explained by 4 variables and PCII by a single variable. This indicated that all 5 variables were taxonomically important. Spatial relation- ships of points were consistent with putative identifications based on available data. Knifetooth sawfish (A. cuspidata), smalltooth sawfishes (P. pectinata and P. zijsron), and largetooth sawfishes (P.