Rydym yn defnyddio cwcis er mwyn gwella eich profiad o ddefnyddio ein gwefan. Ni chedwir gwybodaeth bersonol o gwbl. Os gwnewch chi barhau heb newid eich gosodiadau cwcis, byddwn yn tybio eich bod yn fodlon derbyn yr holl gwcis ar y wefan. I gael mwy o wybodaeth am ein cwcis, darllenwch ein datganiad preifatrwydd.



Natur Cymru Natur Cymru

MYNEGAI

Rhifynnau 1-40 Haf 2001-Hydref 2011

Awduron neu bynciau’r prif erthyglau yw’r cyfeiriadau mewn teip trwm.

Enwau gwyddonol neu deitlau llyfrau/cylchgronau yw’r cyfeiriadau mewn llythrennau italig.

Mae (c) yn cyfeirio at erthyglau Cymraeg, ac mae (c) ar ôl cyfeiriad Saesneg yn dangos mai erthygl Gymraeg yw hi efo crynodeb Saesneg. Gellir cael cyfieithiadau llawn ar gais.

A - B - C - Ch - D - Dd - E - F - Ff - G - Ng - H - I - J - L - Ll - M - N - O - P - Ph - R - Rh - S - T - Th - U - W - Y

R - Rh

rabbits, 5:38; 6:45; 30:5-7

rabies, 19:15

Racher, Patricia Dodd, 24:43

Rackham, Oliver, 22:40

Radford, Geoff, 23:47

radio tracking, see tracking

Radnor lily, 11:46

Radnorshire Wildlife Trust, see Wildlife Trust

rainfall, monitoring of, 2:20

rainforests, 15:19; 39:42-3

raised bog, 17:23

Ramsey Island, 1:25; 7:44; 17:46; 23:45; 30:5, 7; 31:45; 32:35; 35:44; 39:46

ramsons, 20:18

Randall, Zoë, 24:19

Rare Welsh Plants Project, 30:38

rats, 1:23; 5:39; 31:39; 39:4-5, 10

Ratcliffe, Derek, 1:41; 33:11

Ratcliffe, John, 1:23; 6:25; 37:47

raven, 19:4

Ravine WoodLIFE project, 36:46

Rawlins, Karen, 15:40; 26:34

Ray, Duncan, 29:32

Rayner, Pippa, 36:22

rays 4:31

razorbill, 6:44; 12:31; 17:46; 29:41; 39:10

razorshell, American, 11:44

Rebbeck, Nick, 21:32

Record Centres, 26:30

recorders, lack of, 33:24; 34:47

recording

   long term, 38:31(c), 39

   methods, 25:20, 36(c), 37; 26:30, 46; 27:4, 22 28:4ff, 36-37; 29:17ff, 28-30; 30:22-27, 35; 31:37ff

   phenological, 35:9; 38:31(c)

   problems because of drought, 26:38

   promoting of, 34:45

recording nature

   amphibians, 35:12

   bats, 25:19, 47; 29:27; 35:11-12

   bees, 15:23

   birds, 7:36 ff, 44-5; 8:24-7, 35-6; 9: 44, 46-7; 10:46-7; 12:30, 46; 14:12-14, 40, 46; 15:7-8; 16:46; 17:46; 21:45, 46; 22:28ff, 37ff; 23:44-5; 24:5, 25; 25:7, 22, 46; 27:45; 28:34; 29:41; 30:22, 33; 31:45; 34:27(c); 35:44-5; 38:41; 39:8, 46-7; 40:4, 28

   bryophytes, 25:7

   butterflies, 26:4, 23; 35:11, 35

   coast, 26:47; 28:42

   invertebrates, 16:16; 21:23; 24:25, 47; 25:7; 27:21; 34:20; 35:11, 44

   kestrels, 26:32

   mammals, 22:29ff;  25:47; 27:4; 28:13; 29:16ff; 31:37, 45, 46; 34:43; 36:4; 37:42; 39:40; 40:39

   marine habitats, 18:38, 46; 24:47

   marine mammals, 7:38ff; 13:39; 16:47; 25:46, 47; 26:46; 27:47; 28:4; 29:41

   moths, 9:21; 11:31(c); 20:26; 23:45; 24:19; 27:45

   plants, 20:17; 24:25, 36; 25:7; 26:37-38; 27:28ff; 28:46-47

   seabed, 8:21

   seaweeds, 28:31

   species, 15:10; 19:4, 14, 22, 27, 47

   trees, 29:8

   woodlands, 23:32ff; 24:25

Red Data List, 27:11; 28:46-47

Red House mire, 37:6

red kite, 2:31; 4:4ff; 12;  5:35, 36; 22:39; 24:12; 28:16; 31:29, 41(c)

Red Kite, The by Ian Carter, 2:37

Red Kites, SNH/RSPB, 2:37

Red Lady of Paviland, 18:24

Red Wharf Bay, Anglesey, 5:33

red-backed shrike, 4:4

red-band needle blight, 29:35

red-flanked bluetail, 25:46; 26:10

redstart, 4:12

redwater fever, 31:6

reed bunting, 5:27

reedbeds, 6:24

   harvesting, 14:36

   management, 17:32-3

   sewage system, 14:38

reefs, 8:45; 20:36

   submarine, 18:29

Rees, Ivor,

Rees, Ivor, 8:45; 11:44; 12:46; 13:46; 18:46; 20:46; 22:48; 24:47; 26:46; 28:42; 30:47; 32:47; 34:41; 36:44; 37:12; 38:38, 39; 40:47

Rees, Jane, 22:41

refugia, 31:38ff; 37:42

reintroductions, 4:4; 5:7, 35; 7:8; 22:8, 38; 27:46; 34:14ff

renewable energy, 2:14; 4:43; 5:12; 14:4; 15:18

   crops, 21:10

   impacts on wildlife, 28: 8-9, 18, 38

   marine, 28: 8-9, 18, 29-30, 41

   Severn barrage, 20:13

reptiles, 3:19-20; 40:12

respiratory problems, 32:10ff

restocking, of plants, 24:31, 37ff

restoration, of rivers, 14:19

Review of National Parks in Wales, 6:12 (c)

Rhaeadr Fawr, 16:38

Rhaglen Tir Eryri, 39:30(c)

Rhagor o Enwau Adar gan Dewi E. Lewis, 21:44

rhedyn

   defnydd tô, 10:33-34

   gwasarn, 10:33

   gwrtaith, 10:33

   lledaeniad, 14:17

   lludw (potash), 7:12-13; 10:33

   mewn enwau lleoedd, 10:32

rhedynen

   gefngoch, 10:32

   gyfrdwy, 5:15-17

   y calchfaen, 13:29

Rheidol, 3:31ff

Rheilffordd y Cambrian, 37:10-11(c)

rheoliadau hadau, 1:36

Rhind, Peter, 3:42; 5:32; 9:37

rhinoceros tooth fossil, 32:40

Rhinogydd, 39:29(c)

Rhiw, Afon/River, 22:27

Rhiwabon, 13:29-31

rhododendron, 14:46; 17:29; 23:26; 25:38; 26:18(c); 29:26

Rhos Llawr Cwrt NNR, 13:11; 12:20

rhos pasture, 8:37; 12:20ff; 13:9-12; 20:6

Rhosneigr, 35:20

rhostir, 24:18; 25:34; 26:18

Rhosyr, 31:10(c)

Rhuddlan Fawr Appeal, 23:47

Rhufeiniaid, 22:19; 24:12, 28; 26:19

Rhwydwaith Datblygu Cynaliadwy Rhyngwladol, 9:42

Rhyd Ddu, 21:18

Rhydyclafdy, 38:32(c)

Rhydymwyn valley, 16:8

Rich, Tim, 35:46

Richards, Kim, 30:42(c), 43

Richards, Mary, 1:41

Richards, Melville, 10:32(c); 16:37

Richards, Moorehead & Lang, 33:31

Ridley Wood, see Is y Coed,

riffiau, 14:44

   biogenaidd, 23:12

   craig, 23:11

Riley & Prior, authors, 9:45

ring barking, 1:16

ring ouzel, 22:20

Rio de Janeiro, 29:13(c)

Rio, see Earth Summit 1992

riparian survey, 36:46-7

river bailiff, 27:35

Riverfly Partnership, The, 31:26

rivers

   destruction of habitat, 24:8

   water storage, 24:15ff

Rivers Trust, The, 31:26

road building, 18:8; 31:16; 33:46; 37:4; 38:36

road casualties, 12:45; 28:14

road verges, 18:8ff; 34:7

roads and wildlife, 8:12

Roberts, Dafydd, 28:45

Roberts, Dewi Clwyd, 4:47 (c)

Roberts, Goronwy, 39:28(c)

Roberts, Haf, 2:42 (c); 13:44

Roberts, Huw, 29:12(c)

Roberts, Hywel, 5:47 (c); 13:43

Roberts, Owen, 26:44

Roberts, Peter, 16:42

Roberts, R.H. (Dick), 9:41

Roberts, Raymond, 13:28(c); 21:45

Roberts, Richard, 14:47

Roberts, Stewart, 36:20

Robertson, Alastair, 39:25

Robertson, James, 4:44; 5:22, 44; 7:42; 8:14, 43; 9:37, 45;  11:42; 12:23, 44; 13:17, 42; 14:43; 15:42; 17:42-3; 18:42; 19:32, 43; 20:33; 21:47; 22:40; 23:39, 42; 26:42, 47; 27:44; 28:43; 29:45, 46; 30:45; 31:44, 47; 32:44, 46; 34:42; 36:41-42; 37:40; 39:20

Robertson, Joanna, 36:40

Rockabill Island, 17:41

Roderick, Hywel, 36:40

Rodwell, John, 30:4

Rogers, Byron, 23:43

Romans, 7:19-21; 10:5; 22:15ff; 24:9, 26

Romney Marsh, 16:13

rook, 19:4-7

Roper, Patrick, 7:17

Rotheray, Graham E, 40:43

rotoburying, 5:34

round-headed club-rush, 33:23

rowan, 3:38; 7:17ff; 25:27

Rowbotham, J.F, 9:9(c)

Rowlinson, Gwenllïan, 21:44(c); 26:44(c); 33:42(c)

Rowson, Ben, 24:44; 33:44

Royal Society for Nature Conservation, 10:10

RSPB, 2:30 (c); 5:20, 21, 39; 6:25; 12:4; 18:4ff; 23:8ff; 30:14(c); 32:34(c), 35; 37:28; 39:42-3

   Conwy, 21:18

   historical aspect, 17:34 (c)

   perspectives, 28:40(c), 41

RSPCA, 20:47

Ruabon mountain, 13:28-31(c)

Running for the Hills by Horatio Clare, 19:42

Ruperra Conservation Trust, 13:45

rural communites, 33:22

Rural Development Plan, 31:34

rural policy, 1:10

rural skills, 8:32