 Northern tip of Purple Island (Jazirat Bin Ghanim) at low tide. Al Khor, Qatar, April 2, 2016
 Sand ripples and rocky northern tip of Purple Island (Jazirat Bin Ghanim) at low tide. Al Khor, Qatar, April 2, 2016
 Northern tip of Purple Island (Jazirat Bin Ghanim) and ancient fish traps at low tide. Al Khor, Qatar, April 2, 2016
 Intertidal stone fish traps at northern tip of Purple Island (Jazirat Bin Ghanim) at low tide. Al Khor, Qatar, April 2, 2016
 Northern tip of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 24, 2015
 Cliffs of northern tip of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 24, 2015
 Mangrove tree (Avicennia marina) on northern tip of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 24, 2015
 Mangrove tree (Avicennia marina) at sunrise on northern tip of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 24, 2015
 Mangrove trees (Avicennia marina) near northern cliffs of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 24, 2015
 Mangrove marsh on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
 Early morning on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
 Rocky hill on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
 Hill slope on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
 Ruins of archeological camp on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
 Dry wash on a hill slope on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
 Sunrise over mangrove marsh on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
 Rocky slope of a hill on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
 Mangrove marsh at low tide on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
 Small depression with grasses on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
 Ice plants (Mesembryanthemum cryptanthum and M. nodiflorum) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
 Beachrock and mangrove trees on Purple Island (Jazirat Bin Ghanim) at low tide. Al Khor, Qatar, April 2, 2016
 Remains of an excavation site (archeological dig) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
 Seedlings of ice plant (Mesembryanthemum cryptanthum and M. nodiflorum) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
 Ice plants (Mesembryanthemum cryptanthum and M. nodiflorum) growing together on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
 Ice plant (Mesembryanthemum cryptanthum and M. nodiflorum) seedlings on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
 Ice plant (Mesembryanthemum cryptanthum) on a rocky hill on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
 Northern cliffs of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 20, 2015
 Ice plant (Mesembryanthemum cryptanthum and M. nodiflorum) with flower buds on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
 White flower bracts of sea lavender (Qetaif, Limonium axillare) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
 Dry mangrove trees near northern cliffs of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 20, 2015
 Sandy beach under northern cliffs of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 20, 2015
 Mangrove forest (Avicennia marina) near northern tip of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 20, 2015
 Shells of sea snails on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 28, 2016
 Sea sponge at low tide on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 28, 2016
 Mud creeper snails on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 28, 2016
 Mud creepers at low tide on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 28, 2016
 Masses of sea snails on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 28, 2016
 Several mangrove trees in shallow water near northern cliffs of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 20, 2015
 Mesembryanthemum cryptanthum with dry flowers on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 28, 2016
 Mesembryanthemum cryptanthum with seeds on rocks on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 28, 2016
 Mangrove (Avicennia marina) with flowers on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 28, 2016
 Mangrove forest (Avicennia marina) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 28, 2016
 Mangrove tree (Avicennia marina) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 28, 2016
 Dusty cliffs of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Mangrove tree (Avicennia marina) in shallow water near northern cliffs of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 20, 2015
 Blooming mangrove tree (Avicennia marina) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 28, 2016
 Common salt grass (Aeluropus lagopoides) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 28, 2016
 Remains of fishing nets(?) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 24, 2015
 Mangrove forest at low tide near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Mud flat near mangrove forest near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Eggs of sea birds terns on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 24, 2015
 Shells in dusty soil of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Group of mangrove trees (Avicennia marina) in shallow water near northern cliffs of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 20, 2015
 Mangrove tree skeletons (Avicennia marina) in shallow water near northern cliffs of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 20, 2015
 Common salt grass (Aeluropus lagopoides) with spikelets on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 28, 2016
 Seablite (Suaeda vermiculata) near sandstone cliffs on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, June 18, 2016
 Mangrove (Avicennia marina) with aerial roots (pneumatophores) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 28, 2016
 Flowers of mangroves (Avicennia marina) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Mangroves trees (Avicennia marina) near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Mangrove tree (Avicennia marina) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 24, 2015
 Mangrove forest (Avicennia marina) near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Mud crab burrows in mangrove forest near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Ruins of a camp of archeological expedition on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 24, 2015
 Aerial roots (pneumatophores) of mangroves near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Mangrove (Avicennia marina) with saplings emerging from aerial roots on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 28, 2016
 Mangrove (Avicennia marina) with aerial roots (pneumatophores) at low tide on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 28, 2016
 Mud flat exposed at low tide near mangrove forest near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Blooming mangrove tree (Avicennia marina) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 24, 2015
 Dead mangrove trees (Avicennia marina) near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Mud flat near mangrove forest exposed at low tide near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Reddish plants of Egyptian fig-marigold (slenderleaf ice plant, Mesembryanthemum nodiflorum, local name Ghasoul) grown on a hill slope after spring rains on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
 Flower spikes of little seed canary grass (Phalaris minor) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, January 23, 2016
 Dead tree in mangrove forest (Avicennia marina) 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
 Muddy soil of mangrove forest exposed at low tide near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Sea lavender (Qetaif, Limonium axillare) with ants burrow on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 24, 2015
 Mangrove tree (Avicennia marina) in salt marsh near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 24, 2015
 Patches of reddish plants of Egyptian fig-marigold (slenderleaf ice plant, Mesembryanthemum nodiflorum, local name Ghasoul) grown on a hill slope after spring rains on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
 Flowers of mangrove tree (Avicennia marina) on white background near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 24, 2015
 Flowers of mangrove tree (Avicennia marina) on dark background near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 24, 2015
 Aerial roots (pneumatophores) of mangroves (Avicennia marina) exposed at low tide near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Zygophyllum simplex (Tetraena simplex) plant on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 28, 2016
 Beachrock near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 29, 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
 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
 Salsola soda (Suaeda maritima, Suaeda iranshahrii var. arabica) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 28, 2016
 Sunrise on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 13, 2014
 Rocky tip of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, March 4, 2011
 Elk(?) shell in Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, March 1, 2010
 Various weeds on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, March 7, 2014
 Pebbles in Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, February 25, 2011
 Mud creepers at low tide Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 29, 2015
 Small ice plant (Mesembryanthemum cryptanthum, Mesembryanthemum forskahlii, Mesembryanthemum forsskaolii, Opophytum forsskaolii, local name ghasoul) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
 Blooming ice plant (Mesembryanthemum cryptanthum, Mesembryanthemum forskahlii, Mesembryanthemum forsskaolii, Opophytum forsskaolii, local name ghasoul) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
 Two small ice plants (Mesembryanthemum cryptanthum, Mesembryanthemum forskahlii, Mesembryanthemum forsskaolii, Opophytum forsskaolii, local name ghasoul) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
 Close up of an ice plants (Mesembryanthemum cryptanthum, Mesembryanthemum forskahlii, Mesembryanthemum forsskaolii, Opophytum forsskaolii, local name ghasoul) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
 Purple shoot of parasitic plant Cistanche tubulosa (desert hyacinth) emerging from sand on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, January 9, 2015
 Small ice plant (Mesembryanthemum cryptanthum, Mesembryanthemum forskahlii, Mesembryanthemum forsskaolii, Opophytum forsskaolii, local name ghasoul) with a flower on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
 Small ice plant (Mesembryanthemum cryptanthum, Mesembryanthemum forskahlii, Mesembryanthemum forsskaolii, Opophytum forsskaolii, local name ghasoul) in bloom on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
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