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Species point records from 1970 Ridley north-west Scotland sublittoral photographic survey1970-Ridley-north-west-Scotland-sublittoral-photographic-survey.csv
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Download this fileRecordKey | SurveyKey | SurveyName | SampleKey | StartDate | EndDate | DateType | LocationName | DataType | Latitude | Longitude | Projection | AphiaId | Species | Uncertain | Abundance_SACFORN | Abundance_Count | IsDead | SampleComment |
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JNCCMNCR10835266 | JNCCMNCR10000063 | 1970 Ridley north-west Scotland sublittoral photographic survey | JNCCMNCR10003046 | 1970-01-01 | 1970-12-31 | DD | Corran ferry (Upper Loch Linnhe) | Point | 56.7255121906911 | -5.23777743107771 | WGS84 | 139523 | Dendronotus frondosus | FALSE | Not set | Not set | FALSE | Kelp forest present in this loch, Laminaria hyperborea (A), with thick epiphytes growing thereon. Areas of pebbles and broken shell are also present. |
JNCCMNCR10835279 | JNCCMNCR10000063 | 1970 Ridley north-west Scotland sublittoral photographic survey | JNCCMNCR10003048 | 1970-01-01 | 1970-12-31 | DD | Lady Rock (Lower Loch Linnhe) | Point | 56.4489018583509 | -5.61839159490999 | WGS84 | 139523 | Dendronotus frondosus | FALSE | Not set | Not set | FALSE | Bedrock exposed to water movements. |
JNCCMNCR10835068 | JNCCMNCR10000063 | 1970 Ridley north-west Scotland sublittoral photographic survey | JNCCMNCR10003037 | 1970-01-01 | 1970-12-31 | DD | St. Kilda (Outer Hebrides & outliers) | Point | 57.8329937484855 | -8.60081841756398 | WGS84 | 135144 | Caryophyllia (Caryophyllia) smithii | FALSE | Not set | Not set | FALSE | STEEP AND VERTICAL ROCK. The majority of steep rock surfaces in the circalittoral zone appear to be covered by encrusting species of sponges, bryozoans and algae. The most common mixtures to appear in the photographs are as follows: i) A bryozoan turf with a variety of other species including red algae at shallower depths, and Sagartia elegans. ii) Corynactis viridis often with encrusting sponges, lithothamnion or Alcyonium. iii) Tubularia indivisa with bryozoans and encrusting sponges. iv) Overhangs with thick growths of Tubularia, encrusting sponges and anemones. HORIZONTAL AND MODERATELY SLOPING ROCK. Extensive areas of smooth sloping bedrock are present as well as horizontal rock ridges of varying sizes. Again, encrusting and low growing species predominate: i) Large areas dominated by Tubularia indivisa and a yellow encrusting sponge - possible Tubularia/Halichondria panicea community?? ii) Extensive sloping 'walls' dominated by Metridium senile and a yellow encrusting sponge that may be Myxilla incrustans. iii) Thick clean bryozoan turf with other species such as Alcyonium; algae (shallow depths); Sagartia elegans and Corynactis viridis. iv) Extensive mosaics of Alcyonium digitatum (predominant), encrusting sponges, hydroids and scattered algae. v) 'Barer' areas of lithothamnion, encrusting bryozoans, Clavellina lepadiformis and scattered larger species such as Alcyonium. vi) Horizontal ledges of Alcyonium digitatum, Haliclona sp. and hydroids. vii) Kelp park with an undergrowth of red algae, lithothamnion and Alcyonium. BOULDERS. Boulders were either rather 'bare' with a cover of encrusting bryozoans, lithothamnion and Pomatoceros triqueter (especially on the sides); or were covered by Alcyonium digitatum and encrusting sponges. The latter are probably less mobile than the former. ANIMAL MOSAICS. Many of the photographs showed small areas of rock covered by a variety of species, but were on too large a scale to show the extent of each species or the slope of the rock: i) Lithothamnion and a low silty turf of either amphipod tubes or bryozoans with a variety of other species especially Caryophyllia smithi, Sagartia elegans, Clavellina and Actinothoe. ii) Tubularia indivisa and Sagartia elegans varieties. iii) Corynactis viridis. iv) Alcyonium digitatum, Metridium senile and Tubularia indivisa. v) Orange encrusting sponge and Sagartia elegans. vi) Corynactis viridis and clean bryozoan turf. vii) Encrusting sponges, encrusting bryozoans, erect bryozoans and anemones. |