 Intertidal polygonally cracked algal cyanobacterial mats in mangroves area near Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais. Qatar, April 12, 2013
 Mud crab in mangroves area near Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais. Qatar, April 12, 2013
 Mud creepers (mangrove whelk, brackish-water snail, gastropod mollusk, Terebralia palustris) in mangroves area near Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais. Qatar, April 12, 2013
 Mangrove whelk (mud creepers, brackish-water snail, gastropod mollusk, Terebralia palustris) in mangroves area near Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais. Qatar, April 12, 2013
 Mangroves (Avicennia marina) with aerial roots (pneumatophores) in salt marsh near Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais. Qatar, April 12, 2013
 Aerial roots (pneumatophores) of mangroves (Avicennia marina) in salt marsh near Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais. Qatar, April 12, 2013
 Eggs of sea birds Sterna (terns) in Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais. Qatar, April 12, 2013
 Some sand mounds in shallow water of salt marsh near Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais. Qatar, April 12, 2013
 Feral dogs in Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Dead corals on a beach of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Seaweed (algae) on a beach of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Qatar Natural History Group (QNHG) at Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Qatar Natural History Group (QNHG) on dunes of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Sedge (Cyperus conglomeratus) in sands of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Corals and sea snails at low tide on a beach of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Qatar Natural History Group (QNHG) near a fishing shack in Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 European seaheath (Frankenia pulverulenta) in sands of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Buck s horn groundsel (Senecio glaucus, mureer) in sands of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Flowers of Sea Lavender (Limonium axillare, local name Qetaif) in sands of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Seedling of a salt tolerant plant Anabasis setifera in dunes of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Blooming Sea Lavender (Limonium axillare, local name Qetaif) in sands of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Algae Oyster Thief (Colpomenia sinuosa) at low tide on a beach of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Shells of a marine gastropod mollusk (sea snail) Clypeomorus bifasciatus at low tide in Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Dried parasitic plant Cynomorium coccineum (desert, or red thumb, tarthuth) in dunes of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Egyptian Fig-marigold (slenderleaf ice plant, Mesembryanthemum nodiflorum, local name Ghasoul) in dunes of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Tiny desert flowers of European seaheath (Frankenia pulverulenta) growing in sands of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Desert Hyacinth (Cistanche tubulosa) with a host plant, a salt tolerant succulent, at Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Small yellow flowers of Buck s horn groundsel (Senecio glaucus, mureer) in sands of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Small flower of Egyptian Fig-marigold (slenderleaf ice plant, Mesembryanthemum nodiflorum, local name Ghasoul) in sands of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Black cyanobacterial-algal mat in salt marsh near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 29, 2015
 Cyanobacterial-algal mats in salt marsh near Al Thakira. Qatar, December 5, 2014
 Intertidal cyanobacterial mat in salt marsh near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 29, 2015
 Intertidal stone fish traps at northern tip of Purple Island (Jazirat Bin Ghanim) at low tide. Al Khor, Qatar, April 2, 2016
 Abandoned villa at northern tip of Qatar in Khasooma area, east from Ruwais. Qatar, April 12, 2013
 Reddish mats of slenderleaf iceplant (Mesembryanthemum nodiflorum) on a hill north-west from oil tank installation in Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Mats of slenderleaf iceplant (Mesembryanthemum nodiflorum) among rocks on a hill north-west from oil tank installation in Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Mountain goat in area of northern tip of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Black cyanobacterial-algal mat in salt marsh near Al Thakira. Qatar, December 5, 2014
 Remnants of ancient ingenious intertidal stone fish traps in Al Aaliya Island (Jazirat al Aliyah). Qatar, March 27, 2013
 Mangroves trees (Avicennia marina) near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Flowers of mangroves (Avicennia marina) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Aerial roots (pneumatophores) of mangroves near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Aerial roots (pneumatophores) of mangroves (Avicennia marina) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 24, 2015
 Ostrich on northern tip of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Qatar Natural History Group (QNHG) wading near Al Mafjar village, northern area near Ruwais. Qatar, April 12, 2013
 Aerial roots (pneumatophores) of mangroves (Avicennia marina) exposed at low tide near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Intertidal stone fish traps near a village of Al Jumail (Jumayl) west of Ruwais. Northern Qatar, January 24, 2015
 Gypsum rocks on northern tip of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Mud flat with aerial roots (pneumatophores) of mangroves (Avicennia marina) exposed at low tide near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Close up of aerial roots (pneumatophores) of mangroves (Avicennia marina) exposed at low tide near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Ruins of Al Mafjar village, northern area near Ruwais. Qatar, April 12, 2013
 Salt marsh with cyanobacterial mats near Al Thakira. Qatar, December 5, 2014
 Exploring mysterious bunker on northern tip of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Mountain goat standing on northern tip of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Herd of mountain goats on northern tip of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Capturing a desert lizard on northern tip of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Catching a desert lizard on northern tip of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Fossilised intertidal stromatolites (microbial mats, laminated sediments) in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Members of the Qatar Natural History Group (QNHG) exploring fossilised intertidal stromatolites (microbial mats, laminated sediments) during fossil trip in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Domes of fossilised intertidal stromatolites (microbial mats, laminated sediments) in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Sandblasted fossilised intertidal stromatolites (microbial mats, laminated sediments) in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Weathered fossilised intertidal stromatolites (microbial mats, laminated sediments) in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Mountain goat on northern tip of Haloul Island (Jazirat Halul), with oil terminal in background. Qatar, April 19, 2013
 Mountain goat standing on rocks of northern tip of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Mountain goat showing its tongue on northern tip of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Stone walls remained from Al Mafjar village, northern area near Ruwais. Qatar, April 12, 2013
 Abandoned car in Persian Gulf near Al Mafjar village, northern area near Ruwais. Qatar, April 12, 2013
 Mountain goat standing on gypsum rocks of northern tip of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Remnants of ancient ingenious intertidal stone fish traps (rows of beachrock stone arranged in walls in semi-circular patterns) at low tide in Al Aaliya Island (Jazirat al Aliyah). Qatar, March 27, 2013
 Mountain goat standing on northern tip of Haloul Island (Jazirat Halul), with Persian Gulf in background. Qatar, April 19, 2013
 Mangroves at sunrise on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 13, 2014
 Photographing Rock semaphore gecko lizard (Pristurus rupestris) on northern tip of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Northern part of Haloul Island (Jazirat Halul), view from a hill north-west from oil tank installation. Qatar, April 19, 2013
 Salt marsh with mangroves on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 13, 2014
 Mangroves (Avicennia marina) near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, March 7, 2014
 Dome like fossilised intertidal stromatolites (microbial mats) in area of Jebel Al-Nakhsh (Khashm an Nakhsh) in south-western Qatar, March 11, 2016
 Golden grass mabuya lizard (Trachylepis septemtaeniata) found in northern part of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Mangroves in salt marsh from causeway to Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, September 26, 2014
 Mangroves in salt marsh from causeway to Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, August 29, 2015
 Shoot of Bienertia sinuspersici on a beach near Umm Tays Island in Madinat Al Shamal area. Northern Qatar, June 26, 2015
 Plant of Bienertia sinuspersici on a beach near Umm Tays Island in Madinat Al Shamal area. Northern Qatar, June 26, 2015
 Seedling of Bienertia sinuspersici on a beach near Umm Tays Island in Madinat Al Shamal area. Northern Qatar, June 26, 2015
 Close up of leaf-toed gecko lizard (Hemidactylus persicus) found in northern part of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Northern part of Haloul Island (Jazirat Halul) with a nature park to the right, view from a hill north-west from oil tank installation. Qatar, April 19, 2013
 Head of leaf-toed gecko lizard (Hemidactylus persicus) found in northern part of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Breathing roots (pneumatophores) of mangroves (Avicennia marina) Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 29, 2015
 Mangroves in salt marshes, view from causeway of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 20, 2015
 Aerial roots (pneumatophores) of mangroves (Avicennia marina) Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 29, 2015
 Mangroves in salt marshes, view from causeway to Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, February 19, 2010
 Blooming bush of mangroves (Avicennia marina) on littoral of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 29, 2015
 Grey mangroves (Avicennia marina) surrounded by aerial roots (pneumatophores) at low tide near a fishing village of Al Jumail (Jumayl) west of Ruwais. Northern Qatar, June 26, 2015
 Bienertia sinuspersici emerging from sand on a beach near Umm Tays Island in Madinat Al Shamal area. Northern Qatar, June 26, 2015
 Plant of Bienertia sinuspersici in sand on a beach near Umm Tays Island in Madinat Al Shamal area. Northern Qatar, June 26, 2015
 Persian leaf-toed gecko (Hemidactylus persicus), juvenile lizard, found in northern part of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Persian leaf-toed gecko (Hemidactylus persicus), adult lizard, found in northern part of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Aerial roots (pneumatophores) of mangroves (Avicennia marina) on littoral of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 29, 2015
 Salt tolerant plant of Bienertia sinuspersici on a beach near Umm Tays Island in Madinat Al Shamal area. Northern Qatar, June 26, 2015
 Young plant of Bienertia sinuspersici in sand on a beach near Umm Tays Island in Madinat Al Shamal area. Northern Qatar, June 26, 2015
 Porta-cabins in Staff Camp in northern part of Haloul Island (Jazirat Halul), view from a hill north-west from oil tank installation. Qatar, April 19, 2013
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