Subject index – issues 1-50
References in bold are authors or subjects of main articles. References in italics are scientific names or book/journal titles.
(c) after an English reference indicates that the article is written in Welsh, with an English summary.
A | B | C/Ch | D/Dd | E | F/Ff | G | H | I | J | K | L/Ll | M | N | O | P/Ph | Q | R/Rh | S | T/Th | U | V | W | X | Y | Z

D
Dactylorhiza majalis ssp. Cambrensis, see Tegeirian-y-gors llydanddail, 37:10(c)
daeareg – dylanwad ar lystyfiant, 13:28
daffodil
Derwydd, 50:47
Tenby, 3:44; 50:47
wild, 3:44; 18:34; 34:4; 50:47
Dafis, Dafydd, 40:10(c)
Daggett, Joe, 40:34; 42:27
dail tafol, Rumex obtusifolius, 46:15(c)
dail-ceiniog arnofiol, 23:30
Dale Fort Field Centre, 42:14; 47:5
Dallman, A.A., 20:17
damselflies, 11:37; 14:23; 38:28
damselfly, southern, 6:17, 31; 8:42
Dan yr Ogof, 42:22- 26(c)
danadl poethion, Urtica dioica, 46:15-16(c)
dandelion species, 43:40
Daniels, Joan, 11:22
Dan-yr-Ogof, 35:25-6; 42:26
Darbyshire, Teresa, 41:47; 44:46
Dare Valley Country Park, 27:19
Darren Fach, 35:27(c)
Darwin, Charles, 32:40-41, 47; 41:19(c); 48:24
Datblygiad Cynaliadwy, 8:41; 13:44
datblygiad economaidd, 14:44
Davidson, Jane, 30:42(c), 43; 33:15, 17; 37:35; 45:4; 50:48
Davies, Alan, 26:44
Davies, Alun (Natural Resources Minister), 48:36ff; 49:52
Davies, Andrew, 8:41; 9:43; 11:5, 41; 13:44; 20:13
Davies, Becky, 41:46
Davies, Caroline, 32:18
Davies, Clare, 32:36
Davies, Gethin, 47:11(c)
Davies, Hugh (1813), 10:33(c); 11:8(c)
Davies, Jeff, 31:32
Davies, John H., 15:36(c)
Davies, Nichola, 4:18
Davies, Rob, 26:30
Davies, Sarah, 50:13
Davies, Sylvia, 11:4
Davis, Peter, 15:43; 36:40
Davos, 14:44
Day, Ken, 22:41
De Materia Medica, 46:15(c)
de Vere, Natasha, 30:38; 46:32
decommissioning, power stations, 50:12
decoys, 32:35(c)
Deddf Amgylchedd 1995, 29:13(c)
Deddf Amgylchedd Naturiol a Chymunedau Gwledig, 35:42(c)
Deddf Cefn Gwlad a Hawliau Tramwy 2000, 1:36-37
Deddf Gwarchod Cornchwiglod, 16:13
Deddf Gwarchod Moch Daear 1992, 36:19
Deddf Llywodraeth Leol 1995, 39:29(c)
Deddf Pysgodfeydd Eogiaid a Dŵr Croyw 1975, 27:34(c)
Deddfau Cau Allan 1750-1860, 36:12
Dee
afon/river (Dyfrdwy), 9:27(c); 36:33; 41:30ff
estuary, 5:32, 34, 46; 36:35
deer, 29:26; 38:44; 43:42
collisions with cars, 8:44; 10:45
larder, 18:22
management of, 18:19
deer species
Chinese water, 18:20
fallow, 4:45; 18:19; 24:26; 49:48-9
muntjac, 18:19
red, 3:16; 18:19
roe, 3:16; 17:47; 18:19
sika, 18:20
Deeside Urban Wildlife Group, 16:10, 11
DEFRA, 16:10, 11
Denbigh Plum, 43:24
Denbighshire, botanical map, 20:17
Denham, Ivy, 50:44
Denmark Farm, 45:28, see also Shared Earth Trust
Dennison, Bob, 39:40
Denny Island, 41:45
Deptford pink, 14:41
Deri’r môr, 23:12
derw, 48:33(c)
derwen mes-digoes, 17:30
designated sites, 2:16
devil’s-bit scabious, 13:10; 15:24; 26:5ff; 35:35
devolution, 1:34; 17:45
Dewi Sant, 16:5ff
Diacheopsis depressa (slime mould), 41:37
diaries, 33:38
diary
as historical record, 50:14-16, 28(c)
extract from a Victorian, 35:19
Guardian Country, 22:4
Joseph Jenkins, 50:15
Mary Edith Morris’s, 8:14
Richard Lister Venables, 50:16
William Bulkeley, 50:15
Diasemiopsys ramburalis, 11:32
Dic Sgwd, 16:40
Diciâu, 36:19
Dicks, Emily Fleur, 13:37
Dicyrtoma fusca, 27:22
Diffwys, 16:38
digital maps, 6:8
Dilwyn, Lewis Weston (1778-1855), 36:44
Dinas Emrys, 21:17
Dinas Mawddwy, 44:30(c)
Dinefwr Park, 24:23, 46
Dines, Trevor, 7:43; 11:46; 14:41; 16:41; 28:46
Diogenes pugilator, 36:44
Diphasiastrum alpinum, 41:23(c)
dipper, 4:27
Dipper, Frances, 32:24, 46
diving, 50:22
Djikstra, Klaas-Douwe B., 20:45
DNA, 23:17; 25:27, 47; 27:5; 30:34; 31:42; 34:7; 35:6; 36:45; 48:47; 50:37
barcodes, 46:32
Doc Penfro, 48:34(c)
Dodd, Richard, 12:9; 19:14; 25:19
Dodd, Steve, 39:8
dolffin Risso, 38:17
dolffiniaid a morfilod, 3:46
Dolgarrog, 48:32 (c)
Dolgellau, 35:42(c); 41:37; 44:29-30(c)
dolphin species
bottlenose, 3:46; 5:46; 6:43, 45; 10:47; 12:3; 13:37-40; 16:47; 17:47; 19:47; 28:4
common, 6:45; 10:46, 47; 12:31; 13:37-40; 16:47; 19:46; 50:50
Pelorus Jack, 38:14
Risso’s, 3:46; 5:46; 6:45; 7:39; 12:31; 13:37-40; 16:47; 25:46; 29:41; 34:43; 37:42; 38:14
striped, 6:45
dolphins,
protection of, 43:45
recording, 28:4
Dolwen, Blaenau Ffestiniog, 48:32(c)
Dolydd Hafren reserve, 22:23
osprey site, 34:37ff
Dolydd, 47:27, 42; 48:39
dormouse, 1:14; 4:6, 16, 28; 8:44; 23:46; 25:47; 27:46; 36:4; 37:6, 42, 47; 43:42; 46:36, 44; 50:6-7
Dosbarthiad Llystyfiant Cenedlaethol (NVC), 44:31(c); 48:33(c)
dove, collared, 15:16
Dow Corning, 33:28-29
Dowrog Common, 6:28ff
draenen wen, 21:22
dragon, 3:4
dragonet, 4:25
dragonflies, 1:45; 11:37; 14:23; 21:23; 40:16
drainage, 17:23ff
Drasdo, Harold, 36:8
dredging
mussels, 41:7-8; 45:52
scallops, 45:51; 47:6; 50:26
drilling rigs, offshore, 4:33
Dronwy diaries, 12:17(c); 13:13(c)
drosgl, 16:37
drought, 2:13; 26:38; 50:14
drovers’ roads, 44:28(c)
drudwen, 22:27, 32; 34:28
druids, 7:19-21
Drwsycoed Uchaf, 47:12(c)
dryll yr hwch, 16:39
Drymonia ruficornis , gweler mynor cilgant
dryw eurben, 34:29
duck, eider, 1:25; 39:5
duegredynen gwallt y forwyn, 13:29
duegredynen y muriau, 13:30
Duigan, Catherine, 50:51
dull ecosystem, 37:38(c); 42:41(c)
Dunbar, William, 22:12
Dundry, 15:38
dune slacks, 5:23ff; 34:21
dunes, 18:25; 26:4ff
dung, as habitat, 3:16
dunlin, 6:20, 43
Dŵr Cymru, 42:25(c)
dŵr ffo, 21:14
Dŵr Hafren Trent, 37:31(c)
Dwyryd, river, 7:7ff; 9:32
Dyddiadur Dronwy (1631-35), 12:14(c); 13:13(c)
Dyffryn Alun, Bro Morgannwg, 37:19(c)
Dyfi, 27:34(c)
Dyfi Biosphere, 25:16; 33:18(c)
Dyfi Catchment & Woodland Research Platform, 43:41
Dyfi estuary, 5:32, 33; 49:17-19
Dyfi NNR, 17:24
Dyfi valley, 46:36-39
Dyfrdwy, 27:34(c)
dyfrgwn, 27:34(c)
Dyn Neanderthalaidd, 46:14(c)