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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

P - Ph

Pais Dinogad, 34:18

Pâl, 32:32-35; 39:12

Palaeozoic era, 30:18ff

pale butterwort, 6:16

Panel Llywodraeth Cynulliad Cenedlaethol Cymru ar Addysg ar Gyfer Datblygiad Cynaliadwy a Dinasyddiaeth Fyd-eang, 10:36

Pantperthog Dormouse Project, 1;14

parakeet, Polly, 39:47

parasites, of sheep, 10:41ff

Parazoanthus, 4:23

Parc Cenedlaethol

   Bannau Brycheiniog, 15:37

   Eryri, 17:28; 21:18; 25:33; 26:40: 29:14; 33:13,18; 39:27

   Penfro, 38:9

Parc Dinefwr 24:28

Parc Richmond, 16:13

Parciau Cenedlaethol, 29:12(c)

Parciau Cenedlaethol Cymru/adolygiad, 6:12-14

Parciau Cenedlaethol Lloegr/canlyniadau adolygiad, 6:14

Parish Grasslands Group, 17:15

Parker, David, 24:36; 39:23

Parker, Sue, 22:41

Parry, Gareth, 29:16

Parry, Meirion (1969), 40:9(c)

Parry, Morgan, 1:7(c); 5:9; 9:14; 14:44(c), 45; 18:15(c); 20:13; 26:40(c),41; 28:27; 39:23

Parry, R. Williams, 21:43

Parry, Rob Jones, 31:37;38:47

part-farm schemes, 31:20

Partneriaeth Dyfrgwn Dwyryd, 27:34(c)

Partneriaeth Llwybrau Ucheldir Eryri, 25:33(c); 39:30(c)

Partneriaeth Treftadaeth Dyffryn Aber, 16:37

partnership working, 31:4, 26

partridge, grey, 4:4

Parys Mountain, 35:19

Pasbort Dyfi, 33:21(c)

pathew, 36:7

Paviland, 10:5

PAWS, 19:26

Paxton, William, 4:27

PCB poisoning, 28:4

Peacock, Mike, 36:37

peak oil, 35:5ff

pearl fishing, 24:9

Pearl, David, 33:42

peat, 11:22ff; 24:16ff; 36:37

Pembrey forest, 12:33

Pembrokeshire Bumblebee Path Project, 36:22

Pembrokeshire Coast National Park, 11:4; 38:4

Pembrokeshire Heathland Beef, 38:18

Pembrokeshire Living Heathlands Project, 6:15; 16:35

Pembrokeshire

   books about, 24:40-41

   walks, 38:22

Pembrokshire Living Heathlands project, 38:18ff

Pen Llŷn a'r Sarnau, 1:43; 28:5ff

Pen Llŷn, 23:11, 12; 32:38(c)

Pen Strwmbwl, 22:13

Pen y Graig Goch farm, 30:9

Penaran, 30:15(c)

Pencaenewydd, 38:32(c)

Pencoedtre Wood, 22:44-5

Pen-ddol rocks, 32:13ff

Penfras, 23:12

Penisarwaun, Arfon, 38:31(c)

Pennant, Thomas, 16:38

Penrhos, 38:32(c)

Penrhyn Gwyr, 22:19

Penrhyn Llŷn, 8:28-30

Penrhyn Marloes, 38:13

Penrhyn-gerwyn, 16:14

Pensychnant, 21:15-16

Pentapora foliacea, 23:12

Pentraeth Forest, 19:38

Pentwyn Farm reserve, 27:8ff; 39:20, 21

Pen-y-Bont ar Ogwr, 20:28

Penycloddiau, 14:16

Pen-y-garreg, 4:15

peregrine, 1:46 (c); 5:38; 7:45; 9:47; 28:39; 29:41

Perizoma albulata, 19:12

Perrin, Jim, 22:6

Perrins, Chris, 30:22

Perrot, David, 38:23

Perrot, Morag, 38:23

pesticides, 29:12

Peterken, George, 3:30; 29:4, 45; 39:20

Petrisen lwyd, 15:28

Petromyzon marinus, gweler lamprai’r môr/ see lamprey,

Phase I survey, 6:4

phenology, 35:9

Philip Brennan’s Clare by Philip Brennan, 8:43

pHISH, water improvement scheme, 9:6ff

Phocine Distemper Virus, 5:45

phosphate levels, 24:10

photography

   aerial, 30:6; 40:3

   marine, 4:22; 28:22; 32:22; 38:39

photo-identification, 26:46; 28:6ff; 38:15-16

Phytophthora, 11:30; 12:10; 23:27; 29:35; 35:47

pibydd coesgoch, 16:15

pibydd y mawn, 16:15

picellwr gwythien-goch, 21:26

Picellwr pedwar-nod (Libellula quadrimaculata), 30:15(c)

Pickup, Tony, 8:17; 17:32

pied flycatcher, 4:12; 27; 6:39ff

Pig yr aran ruddgoch, 13:30

pillwort, 18:9

'pinch points', 6:28

pincod, 22:27

pine marten, 4:4; 5:4; 10:47; 11:12; 17:47; 24:7; 25:47; 27:5ff; 34:43; 36:45; 39:40

pine, Corsican, 12:33

Pitt, Hannah, 15:44(c), 45; 16:44(c), 45; 17:44 (c), 45

Pitts, Richard, 7:32

place-names, 3:12; 10:32(c); 16:37(c); 24:32(c)

Plaid Cymru, 19:11

planhigion diflodau, 20:44

plankton, 11:44

plannu gwrychoedd, 15:29

plant collecting, 24:37, 47

   19th century, 4:29

plantations, conifer, 34:20

Plantlife, 7:44; 11:46; 14:41; 16:41; 28:46-47; 30:38

plants, in danger, 32:13

Plas Tan y Bwlch, SNPA study centre, 9:33; 10:28; 11:10; 14:12; 39:29(c)

plastic, 22:14

Plebejus argus, 4:47 (c)

Pliny, 26:19(c)

plover

   golden, 6:20

   ringed, 6:43

plover-page, 6:20

plu’r gweunydd (Eriophorum spp), 13:31; 30:15(c)

Plunkett-Dillon, Emma, 24:23

Plynlimon, see Pumlumon

poaching, 27:35

pochard, 1:46

Pocket Guide to the Butterflies of Great Britain and Ireland by Richard Lewington, 8:43

Pocket Park scheme, 10:10

Podalonia hirsuta, 34:23

poisoning, 5:36; 17:20

Poland, John, 33:43

polecat, 10:47; 12:45; 17:18, 47; 27:46; 28:13; 31:28

polecat-ferret, 28:14ff

Polisi Amaeth Cyffredin, 8:41; 9:42; 10:44

Polisi Amaeth/Clwy Traed a'r Genau, 1:7-10

Polisi Carthu Agregau'r Môr, 2:41

politicians, 22:42

politics, 33:14, 24; 39:5-6, 16-17

Polkey, Angie, 3:21

Pollen, Michael, 31:44

pollination, see ecosystem services,

pollution, 15:11-12;  28:29; 29:18-19; 30:47

   acid rain, 9:4ff, 17; 35:9ff

   marine, 5:45

   monitoring, 13:34-6

   nitrogen, 13:34; 20: 29ff; 21:6; 24:30

   oil, 8:26; 18:18; 28:36ff; 30:36

   PCB, 28:4

   river, 9:4, 18ff, 27ff(c); 14:30; 24:8

pond creation, 20:30; 24:6

ponies

   Carneddau, 35:31

   semi-wild, 27:12

   Welsh Mountain, 8:47; 35:24, 32

Pont Britannia, 37:9(c)

PONT, 31:5, 7

Pontania crassipes, see sawfly,

Pontbren, 7:28 (c), 7:30

Pontfadog Oak, 24:46

poplar, black, 11:27

poppy, Welsh, 20:20

population decline, of farmland birds, 5:27

population

   isolation, 25:12,13

   problems, 35:5; 39:7

Pori Natur a Treftadaeth, see PONT,

Porley, Ron, 18:42

Porphyra spp (gwymon lafwr coch), 32:38(c)

porpoise, harbour, 5:46; 7:39, 44; 10:46-7; 12:31; 13:37-40; 16:47; 28:7ff

Porrhomma rosenhaueri, 40:44

Porritt, Jonathan, 6:41; 18:43

Porter, Joanne, 18:29

Porter, MS, 27:44

Porth Dinllaen, 8:29(c)

Porth Meudwy 23:13ff

Porth Neigwl, 8:29-30(c)

Porth Pistyll, 8:29(c)

Porth Tywyn, 16:13

Porth y Gwichiad, 7:13(c)

Porthcawl, 20:28

Porthladd Dulas, 7:12(c)

Porthladd Mostyn, 11:41(c)

Porthoer, 8:29

Porthysgaden, 23:13

Portiwgal, 23:14

post-regeneration, 30:30

Powell, Harry, 28:32

Powys, 24:18

Powys Flora Conservation, 32:13ff

Poyner, James, 32:8ff

Prater, Tony, 15:9; 18:45; 20:21

prehistory,  5:48; 29:21, 46; 30:5-6, 10, 18; 40:22, 36

Prifysgol Cymru

   Aberystwyth, 19:21

   Bangor, 21:31

Prince Madog, research vessel, 8:22

Pritchard, Tom, 5:40 (c)

Private Views of Snowdonia, see Ar Orwel Eryri                              

Project Puffin, 32:33(c)

Prokelisia marginata, 39:44

propagation, 30:39

Prosiect cymunedol, 15:27

Prosiect Gofal Gwledig Pontbren, 7:28(c)

protected sites, 22:33; 48

pryfed gwellt, 23:38

pseudoscorpion, 27:23

Pteridium aquilinum, gweler rhedyn,

Pterostichus madidus, 2:21

Pterostoma palpina, gweler cydyn gwelw,

puffball, 9:37ff

Puffin Island/ Ynys Seiriol, 1:23; 3:43; 12:30; 39:4-5, 8

puffin, 1:23; 5:39; 8:27; 9:47; 12:30-32; 17:46; 23:44

Pumlumon, 9:7, 17; 24:13; 25:17

Punchbowl, Abergavenny, 24:46

Pungitius pungitius, 23:7

purple gromwell,  20:18

purple moor-grass, 6:15, 16; 30:11-12; 35:29-30; 40:35ff

Pwllheli, 20:35

Pwyllgor Gwylwyr RSPB, 17:40

Pwyllgor yr Amgylchedd, Cynllunio a Chefn Gwlad, 8:41; 9:42

pys y ceirw, 8:29-30

pysgod ffosil, 15:37

pysgota, 14:44

pysgota cynaliadwy, 23:11(c)